Animalia
Ababes Gray, 1842
Abdobalistum Poyato-Ariza & Wenz, 2002
Abeichthys Parin, 1961
Abron Gistl, 1848
Abrosaurus
Abuhamrur Forskål, 1775
Acanthagonia Ogilby, 1918
Acanthanthus Boileau, 1916
Acanthaspis Newberry, 1875
Acanthatrigla Gaemers, 1984
Acanthichthys Arratia & Chorn, 1998
Acanthinion Lacepède, 1802
Acanthinium Agassiz, 1846
Acanthocephalus Steindachner, 1883
Acanthocirrhitus Fowler, 1938
Acanthocordylodus Moskalenko, 1973
Acanthoderma Agassiz, 1844
Acanthodidae
Acanthodina Moskalenko, 1973
Acanthodontidae
Acanthodus Furnish, 1938
Acanthoessus Agassiz, 1832
Acanthogonia Ogilby, 1918
Acanthoides Brotzen, 1934
Acantholebius Gill, 1861
Acantholepis Pyanovska & Aleksandro, 1989
Acanthomullus Valenciennes, 1861
Acanthonemopsis Bosniaski, 1878
Acanthophoria Gorjanovic-Kramberger, 1895
Acanthopodus Lacepède, 1802
Acanthopolyipnus Fowler, 1934
Acanthopomus Peters, 1864
Acanthopsis Agassiz, 1832
Acanthorhina Fraas, 1910
Acanthospina Valiukevicius, 2003
Acanthuroides Blot & Tyler, 1990
Acantoderma Cantraine, 1835
Acanus Agassiz, 1834
Acaramus Rafinesque, 1815
Acedia Jordan, 1888
Acentrachme Gill, 1862
Acentrophoridae
Acerosodontosauridae
Achanarella Newman, 2002
Achirostomias Regan & Trewavas, 1930
Achoania Zhu, Yu & Ahlberg, 2001
Acidorhynchus Stensiö, 1925
Aclyptosternon Günther, 1864
Acmoniodus Hussakof & Bryant, 1920
Acodus Pander, 1856
Acondylacanthus St. John & Worthen, 1875
Acontiodus Pander, 1856
Acoura Swainson, 1839
Acourus Swainson, 1839
Acrammatolepis Geinitz, 1868
Acregoliath Richter, 1989
Acritolepidae Valiukevicius, 2004
Acritolepis Valiukevicius, 2003
Acrocercus Lohmann, 1933
Acrodobatis Leidy, 1877
Acrodonchus Fraas, 1889
Acrodontidae Casier, 1959
Acrodontosaurus Mason, 1869
Acrogrammatolepis Geinitz, 1868
Acrolamna Zhelezko, 1990
Acrolepidae Aldinger, 1937
Acrolepididae
Acronemus Rieppel, 1982
Acroperca Myers, 1933
Acropholis Nielsen, 1935
Acropoecilia Hilgendorf, 1889
Acrorhabdus Stensiö, 1921
Acrospondylus Agassiz, 1834
Acroteriobatus Giltay, 1928
Acrotomaspis Wängsjö, 1952
Actinobatis Agassiz, 1843
Actinochir Gill, 1864
Actinolepididae
Actinopterygii
Aculeata
Acura Agassiz, 1846
Acus Lacepède, 1803
Adamantina Bendix-Algreen, 1993
Adamantisaurus
Adamasoma Whitley & Phillipps, 1939
Adelargo Johanson & Ritchie, 2000
Adetognathus Lane, 1967
Adiposia Annandale & Hora, 1920
Adololopas Campbell & Barwick, 1998
Adriatina Costa, 1855-73
Adroichthys Gardiner, 1969
Aduncodina Ding, 1983
Aechmodus Grey Egerton, 1854
Aedua Sauvage, 1890
Aeduella Westoll, 1937
Aeduelliidae
Aegyptobatus Werner, 1989
Aelia Costa, 1855-73
Aellopos Münster, 1836
Aequiarchegonaspis Stensiö, 1958
Aerosteon
Aesopichthys Poplin & Lund, 2000
Aestaurichthys Gardiner, 1969
Aestiaspis Janvier & Lelièvre, 1994
Aetheodontidae
Aetheodontus Brough, 1939
Aetheretmon White, 1927
Aethocephalichthys Fielitz, Stewart & Wiffen, 1999
Aethotaxis Baesemann, 1973
Aetoplatia Agassiz, 1846
Afanassiaspis Otto & Laurin, 2001
Africanaspis Long, Anderson, Gess & Hiller, 1997
Aganacanthus Traquair, 1884
Aganodus Owen, 1867
Agassichthys Newberry, 1857
Agassizodon Menner, 1932
Agassizodontidae
Agecephalichthys Wade, 1935
Ageleodus Owen, 1867
Aggeraspis Gross, 1962
Agilia
Agilisaurus
Aglyptosternon Bleeker, 1862
Agnus Günther, 1860
Agoreion Gistl, 1848
Agrammatolepis Jordan, 1919
Agustiniidae
Aidaprora Whitley, 1935
Ailopon Risso, 1826
Ailuracantha White, 1969
Akamefugu Abe, 1954
Akanichthys Kazantseva-Selezneva, 1980
Akanolepis Kazantzeva-Selezneva, 1977
Akidnognathidae
Akmonistion Coates & Sequeira, 2001
Akromystax Poyata-Ariza & Wenz, 2005
Alaeckaspis Voichychyn, 1999
Alainaspis Elliott & Dineley, 1985
Alainiaspis Voichychyn, 1999
Alaspis Ørvig, 1957
Alausella Gill, 1861
Albertogaudryidae
Albiconus Miller, 1980
Alcockella Fowler, 1934
Alcockidia Gilbert, 1905
Alcoorina Stait & Druce, 1993
Alderia Lahille, 1888
Aldingeria Moy-Thomas, 1942
Aleosteus Johnson, Elliott & Wittke, 2000
Alepichthys Facciolà, 1882
Alestiops Hoedeman, 1951
Alestogrammus Hoedeman, 1951
Alethoalaornithidae
Alethodontus Duffin, 1983
Aletodus Jaekel, 1901
Aleuterus Bosc, 1816
Alexandrinum Molin, 1861
Algherella Bagnoli, Perri & Gandin, 1985
Algoa Castelnau, 1861
Aliciola Jordan, 1925
Alienacanthus Kulczycki, 1957
Alina Risso, 1826
Alisodon Hay, 1920
Allector Heller & Snodgrass, 1903
Alleiolepis Heller, 1953
Allinectes Jordan & Evermann, 1898
Allochela Silas, 1958
Allochir Jordan & Evermann, 1896
Allocotus Fischer de Waldheim, 1838
Allodanio Smith, 1945
Allodontidae
Alloelops Nybelin, 1979
Allolepichthys Whitley, 1940
Allomeiacanthus Smith-Vaniz, 1976
Alloptychodus Whitley, 1953
Allosebastus Hubbs, 1951
Allosomus Jordan, 1878
Allothrissopidae
Allouarnia Whitley, 1937
Allurus Jordan & Evermann, 1896
Alopecodontidae
Alopiopsis Lioy, 1865
Aloricatogobius Munro, 1964
Alosina Wagner, 1860
Aloxoconus Smith, 1991
Alpharaia Jordan, 1925
Altholepis Karatajute-Talimaa, 1997
Altipoma Whitley, 1940
Altona Duméril, 1856
Alvinia Sytchevskaya, 1999
Alvinichthys Esin, 1995
Amacanthus St. John & Worthen, 1875
Amacrodron Regan & Trewavas, 1932
Amaltheolepis Orvig, 1969
Amargatitanis
Amblodeus Rafinesque, 1815
Amblyctonidae
Amblygiolepidus David, 1956
Amblypristis Dames, 1888
Amblypteridae
Amblypterina Berg, 1940
Amblypterops Sauvage, 1888
Amblysemius Agassiz, 1844
Amblytheriidae
Amblytoxotes Bleeker, 1876
Amblyurus Agassiz, 1836
Ambodipia Bettan, 1968
Ameghinichthys Arratia, Scasso & Kiessling, 2004
Ameibodon Buckland, 1838
Amelacanthus Maisey, 1982
Amiacoprus Buckland, 1829
Amibodon Agassiz, 1846
Amiichthys Jordan, 1887
Amiidarum Lange, 1968
Amioides Radcliffe, 1912
Amitrichthys Jordan & Evermann, 1896
Ammorhynchus
Amneris Whitley, 1935
Amorphognathus Branson & Mehl, 1933
Amouromium
Amphiaspididae
Amphibia Linnaeus, 1758
Amphibiopus
Amphicentridae
Amphigeisina Bengtson, 1976
Amphigeisinidae
Amphilaphurus Davis, 1887
Amphiplaga Cope, 1877
Amphiscarus Swainson, 1839
Amphodon Storms, 1887
Amphoraspis Novitskaya & Karatajute-Talimaa, 1989
Amydrotaxis Klapper & Murphy, 1980
Anachronistes Duffin & Ward, 1983
Anachronistidae
Anaclitacanthus St. John & Worthen, 1875
Anaedopogon Cope, 1871
Anaglyphus Rzehak, 1881
Anagramma Ogilby, 1899
Ananogmius White & Moy-Thomas, 1940
Anaoroides Fricke, 1981
Anapterus Sauvage, 1873
Anareodus Long & Young, 1995
Anastrophognathus Bender, 1970
Anathyridium Chabanaud, 1928
Anatoia Rusconi, 1946
Anatolepis Bockelie & Fortey, 1976
Anchenilabrus Agassiz, 1845
Anchignathodontidae
Anchignathodus Sweet, 1970
Anchipteraspididae
Anchipteraspis Elliott, 1984
Anchovicypris Fowler, 1936
Anchovietta Nelson, 1986
Anchybopsis Cope, 1870
Ancistriodus Branson, 1933
Ancistrodus Rohon, 1893
Ancoradella Walliser, 1964
Ancryodella
Ancylostylos Gorjanovic-Kramberger, 1895
Ancyrodelloides Bischoff & Sannemann, 1958
Ancyrognathus Branson & Mehl, 1933
Ancyrogondolella Budurov, 1972
Ancyroides Miller & Youngquist, 1947
Ancyrolepis Ziegler, 1959
Ancyropenta Müller, 1957
Andalusias Sykes & Simon, 1979
Andesauridae
Andesaurus
Andinaspis Gagnier, 1991
Andinichthys Gayet, 1988
Andracanthus Longley, 1928
Andreasenius Clausen, 1959
Andreiopleura Costa, 1864
Andreolepis Gross, 1968
Andreyevichthys Krupina, 1987
Anema Günther, 1860
Anematichthys Bleeker, 1860
Anemoces Jordan, 1929
Anemura Fowler, 1904
Anenchelum de Blainville, 1818
Anenchelys Agassiz, 1846
Anenchylum Agassiz, 1834
Aneoscorpius White & Moy-Thomas, 1940
Aneurolepis White & Moy-Thomas, 1941
Angaraspididae
Angaraspis Obruchev, 1964
Angarichthys Obrutschew, 1926
Angolaichtys Teixeira, 1947
Anguilloclarias Teugels, 1982
Anguisurus Kaup, 1856
Angulodus Huddle, 1934
Angustidontus Cooper, 1936
Anisomma White & Moy-Thomas, 1940
Anisopleurodontis da Silva Santos, 1994
Anjiaspis Gai & Zhu, 2005
Ankistrodus de Koninck, 1870
Ankylophorus Gaudant, 1978
Anodontus Stouge & Bagnoli, 1988
Anogmius Cope, 1871
Anogramma Ogilby, 1899
Anomalichthys Koenen, 1883
Anomalophryne Regan & Trewavas, 1932
Anomiolepis Gill, 1861
Anomiophthalmus Costa, 1856
Anormurus de Blainville, 1818
Anosmius Peters, 1846
Anoterisma Chabanaud, 1939
Anotodus Le Hon, 1871
Anquilliformisichnium Plicka, Nemcova & Siranova, 1990
Ansella Fåhraeus & Hunter, 1985
Ansellidae
Antacanthus Dewalque, 1877
Antacea Bory de St. Vincent, 1822
Antaceus Bonaparte, 1846
Antarctaspidae White, 1968
Antarctiberyx Grande & Chatterjee, 1987
Antarctilamna Young, 1982
Antarctopelta
Anthea Catesby, 1777
Anthiiblennius Starck, 1969
Anthocyrtis Ehrenberg, 1847
Anthracoperca Voigt, 1934
Anticostiodus Zhang & Barnes, 2000
Antineosteus Lelièvre, 1984
Antiquisagittaspis Liu Yuhai, 1985
Antliodus Newberry & Worthen, 1866
Antognathus Lipnyagov, 1978
Antrodonta Costa, 1855-56
Antu de Buen, 1958
Aoyagichthys Whitley, 1958
Apalolepididae
Apalolepis Karatajute-Talimaa, 1968
Apateacanthus Woodward, 1891
Apatella Chauff & Klapper, 1978
Apateodus Woodward, 1901
Apateolepis Woodward, 1890
Apateopholis Woodward, 1891
Apatognathus Branson & Mehl, 1933
Apatopodidae
Apatosauridae
Apedodus Leidy, 1856
Apedolepis Young, 1997
Aphambranchion Anon., 1906
Aphataspis Obruchev, 1964
Aphelichthys Cope, 1893
Aphelognathus Branson, Mehl & Branson, 1951
Aphelolepis Heller, 1953
Aphitis Gray, 1842
Apiorhynchus Nikolsky, 1897
Apiostoma Nikolsky, 1897
Aplentrus Rafinesque, 1818
Aplocentrus Rafinesque, 1819
Aplurus Lowe, 1839
Apocopodon Cope, 1885
Apodastyanax Fowler, 1911
Apodes Bloch, 1779
Apodontis Bennett, 1831
Apomesodon Poyato-Ariza & Wenz, 2002
Aporemaspis Elliott & Loeffler, 1989
Aporomicrodus Fowler, 1958
Apostasella Whitley, 1935
Apostasis Gorjanoviac-Kramberger, 1891
Apostata Canestrini, 1860
Appalachignathus Bergström, Carnes, Ethington, Votaw & Wigley, 1974
Appendicularia Chamisso & Eysenhardt, 1821
Appendicularia
Apraedentalia
Apsaravidae
Apseudobranchus Gill, 1862
Apsicephalus Hollard, 1857
Apsidognathus Walliser, 1964
Apterogasterus La Pylaie, 1835
Aptocylus La Pylaie, 1835
Apua Goüan, 1770
Apulosauripus Nicosia, Marino, Mariotti, Muraro, Panigutto, Petti & Sacchi, 2000
Arabocharax Micklich & Roscher, 1990
Araloselachus Glikman, 1964
Arambourgichthys Chabanaud, 1939
Arandaspididae
Araripelepidotes da Silva Santos, 1990
Araripichthys da Silva Santos, 1985
Arauzia Mader, 1986
Archaeacanthus Kade, 1858
Archaegadiculus Schwarzhans, 1978
Archaeoalbula Frizzell, 1965
Archaeobatis Newberry, 1878
Archaeobelus Cope, 1877
Archaeoceratopsidae
Archaeodontosaurus
Archaeogadus Marck, 1868
Archaeoides Rath, 1859
Archaeolambdidae
Archaeomaenidae
Archaeomanta Herman, 1979
Archaeomenidae Goodrich, 1909
Archaeomyripristis Greenfield, 1966
Archaeonectes Meyer, 1858
Archaeonichthys Whitley, 1940
Archaeoniscus Sauvage, 1890
Archaeopycnodon Sanchez & Benedetto, 1980
Archaeorhynchus
Archaeornithoididae
Archaeosemionotus Deecke, 1889
Archaeoteuthis Wettstein, 1887
Archaeotolithus Stolley, 1910
Archaeotylus Meyer, 1864
Archegadus Stinton, 1965
Archegonaspis Jaekel, 1927
Archemacruroides Stinton, 1965
Archengraulis Stinton & Torrens, 1968
Archeognathus Cullison, 1938
Archichthys Hancock & Atthey, 1870
Archilatilus Gaemers, 1985
Archipelepididae
Archodus Rohon, 1890
Archoperca Jordan & Evermann, 1896
Arcodonichthys Poyato-Ariza & Bermúdez-Rochas, 2009
Arctacanthus Nielsen, 1932
Arctaspididae
Arctocristatus Dagys, 1987
Arctolepididae
Arctonema Orvig, 1969
Arctosomus Berg, 1941
Arcugnathus Cooper & Sloss, 1943
Ardennosteus Lelièvre, 1982
Arechia Cappetta, 1983
Areyonga Young, 1997
Areyongalepis Young, 2000
Arganaceras
Argentoconodon
Argillichthys Casier, 1966
Argoraja Whitley, 1940
Argylepes Swainson, 1839
Argyriaspis Novitskaya, 1971
Ariguna Kemp, 1994
Arisemotaxis Chauff, 1983
Aristoscion Jordan, 1920
Arizonasaurus
Arizonichthys Nichols, 1940
Armigatus Grande, 1982
Arndha Deraniyagala, 1931
Arnoldina Jordan & Gilbert, 1919
Arnoldites Jordan, 1923
Arpagodus Trautschold, 1879
Arratiaichthys Richter & Breitkreuz, 1997
Artediellops Neelov, 1979
Artennarius Garthe, 1837
Artenolepis
Artesonema Lelièvre & Goujet, 1988
Arthrodon Sauvage, 1882
Arthromium Rafinesque, 1815
Arthrophallus Hubbs, 1926
Asarotidae Schaeffer, 1968
Ascalabos Münster, 1839
Ascalabus Agassiz, 1846
Ascidiacea Nielsen, 1995
Ascidium Gronov, 1762
Aseraspididae
Aserotaspis Dineley & Loeffler, 1976
Asiacanthus Liu, 1948
Asiacipenser Nessov, Fiodorov & Udovichenko, 1990
Asiadontus Nessov, Gluckman & Mertiniene, 1991
Asialepidotus Su, 1959
Asianopodus
Asiaspis P'an, 1975
Asiatolepis Takai, 1944
Asineopidae
Asketaspis Dineley & Loeffler, 1976
Aspeluindia
Aspelundia Savage, 1985
Asperaspis Panteleyev, 1993
Asperulus Schaeffer, 1761
Aspidichthys Newberry, 1873
Aspidodus Newberry & Worthen, 1866
Aspidolepis Geinitz, 1869
Aspidophorus Obruchev, 1936
Aspidopleurus Pictet & Humbert, 1866
Aspidorhynchidae Bleeker, 1859
Aspidosteus Obruchev, 1941
Aspiobarbus Berg, 1932
Aspiurnus Shtuil'ko, 1934
Asproperca Canestrini, 1860
Astatichthys Vaillant, 1873
Astemomycterus Guichenot, 1860
Asterichthys Stensiö, 1919
Asterodon Münster, 1841
Asterolepididae
Asteroplax Woodward, 1891
Asteroptychius M'Coy, 1848
Asterosteidae
Asterotrygon De Carvalho, Maisey & Grande, 2004
Asthenocormus Woodward, 1895
Asthenorhynchus Pridmore, Campbell & Barwick, 1994
Astrabodus Davis, 1884
Astrallium Oka, 1913
Astraspididae
Astrodontidae
Astrognathus Walliser, 1964
Astrolecignathus Over & Chatterton, 1987
Astropentagnathus Mostler, 1967
Atacamichthys Arratia & Schiltz, 1987
Atahua Phillipps, 1941
Ateleaspididae
Athenaegis Soehn & Wilson, 1990
Atherodus Gilbert & Hubbs, 1920
Atherstonia Woodward, 1889
Atherstoniidae
Atkinsonella Jordan & Gilbert, 1920
Atlantoceratodus Cione, Gouiric, Goin & Poire, 2007
Atlantosauridae
Atopacanthus Hussakof & Bryant, 1920
Atopocephala Brough, 1934
Atopoclinus Vaillant, 1894
Atractoperca Gill, 1861
Attakeopsis Thiollière, 1858
Attenborosaurus
Atulonotus Smith, 1955
Aublysodontidae
Auchenalepoceps Fowler, 1943
Auchenichthys Duméril, 1856
Auchenilabrus Agassiz, 1845
Auchenosteus Jaekel, 1927
Audenaerdia Taverne, 1973
Aulacanthus Giebel, 1848
Aulacognathus Mostler, 1967
Aulacosteus Eichwald, 1846
Aulakisanthus Terquem, 1868
Auliscops Peters, 1867
Aulodus Agassiz, 1850
Aulohoplostethus Fowler, 1938
Aulolepis Geinitz, 1849
Auluxacanthus Sauvage, 1867
Aurantium Giard, 1872
Aurigequula Fowler, 1918
Aurigobius Whitley, 1959
Aurilobodus Xiang & Zhang, 1983
Auroraceratops
Aussilepis De Pomer, 1994
Australichthys Gardiner, 1969
Australolepis Turner & Dring, 1981
Australothyris
Austranchovia Whitley, 1931
Austrocentris Schwarzhans, 1980
Austrogobio Ogilby, 1898
Austrogobius de Buen, 1951
Austrolepidotes Bocchino, 1974
Austroperca Hubbs, 1936
Austropleuropholis de Saint Seine, 1955
Austrotirus Whitley, 1937
Auxides Gray, 1842
Auxinurus Swainson, 1839
Avamia Kazantseva-Selezneva, 1980
Aves
Avitosmerus Fielitz, 2002
Axinaspididae
Axinaspis Wängsjö, 1952
Axineceps Smith, 1938
Axiothea Fåhraeus & Ryley, 1989
Azalois Jordan & Gilbert, 1919
Azendohsaurus
Aztecia Johanson & Ahlberg, 2001
Aztecodus Long & Young, 1995
Bacchiaichthys Bannikov & Sorbini, 2000
Bachea Paramo-Fonseca, 1997
Bactrognathidae
Bactrognathus Branson & Mehl, 1941
Badoudus Zhang, 1983
Bagris Swainson, 1838
Bahariasauridae
Baharipristis Werner, 1989
Bahariyodon Duffin, 2001
Baibishia Nessov, 1986
Baillonus Rafinesque, 1815
Baiodon Agassiz, 1859
Baleiichthys Rohon, 1890
Balistapodus Péron & Lesueur, 1807
Balochisauridae
Balognathidae
Balognathus Rhodes, 1953
Balticaspis Lyarskaya, 1981
Baltoniodus Lindstrom, 1971
Bandichthys Parin, 1979
Bandringidae
Banisterobates Fraser & Olsen, 1996
Bannhuanaspis Janvier, Than & Phuon, 1993
Baodingodus An & Mei, 1994
Barapasauridae
Barbupeneus Whitley, 1931
Baringaspis Miles, 1973
Barlowodus Märss, Wilson & Thorsteinsson, 2002
Barnesodus Dubinina, 2000
Barrancapus Hunt, Lockley & Lucas, 1993
Barrydalaspis Chaloner, Forey, Gardiner, Hill & Young, 1980
Bartramiolus Fowler, 1945
Bartschina Fowler, 1931
Bascanius Schioedte, 1867
Basilisciscartes Fowler, 1939
Batacanthus St. John & Worthen, 1875
Bates Probst, 1877
Bathyalopex Collett, 1901
Bathybatrachus Gilchrist & Bonde, 1924
Bathyceratias Beebe, 1934
Bathycheilodus St. John & Worthen, 1875
Bathycygnus Sulak, 1977
Bathyembryx Beebe, 1934
Bathypropteron Fowler, 1934
Bathysidus Beebe, 1934
Bathystorreus Rivero, 1934
Bathysudis Parr, 1928
Bathythrissa Günther, 1877
Batracheleotris Fowler, 1938
Batrachichthys Agassiz, 1846
Batrachops Bibron, 1855
Batracocephalus Hollberg, 1819
Batrictius Rafinesque, 1815
Batteraspis Pageau, 1969
Bayeria Fritsch, 1905
Bdellodus Quenstedt, 1882
Beaconia Wade, 1935
Beanea Steindachner, 1902
Beaufortella Chabanaud, 1943
Beckius David, 1946
Behemotopsidae
Beishanlong
Belacanthus Brotzen, 1934
Belantsea Lund, 1989
Belemnacanthus Eastman, 1898
Belemnorhynchus Schuetze, 1908
Belgicaspis Zych, 1931
Belgiosteus Lehman, 1973
Belichthys Wade, 1935
Belodellidae
Belodina Ethington, 1959
Belodontidae
Beloholocentrus Fowler, 1944
Belonaspis Janvier, 1985
Belonidopsisichnium Plicka, 1982
Belonochasmatidae
Belosteus Jaekel, 1927
Beltanodus Schultze, 1981
Beltion Jordan, 1920
Beluga Gmelin, 1774
Bendilisis Bleeker, 1860
Benedenichthys Traquair, 1890
Benedenius Traquair, 1878
Bengtsonella Müller & Hinz, 1991
Bennettia Fowler, 1904
Benneviaspididae
Benneviaspis Stensiö, 1927
Benthesikyme White & Moy-Thomas, 1940
Benthosphyraena Cockerell, 1919
Benthosuchus
Berberosaurus
Bergstroemognathus Serpagli, 1975
Bernardichthys Huddleston, 1981
Berowra Whitley, 1928
Bertacanthus Traquair, 1906
Bertinulus Whitley, 1948
Besania Brough, 1939
Besselodus Aldridge, 1982
Betaraia Jordan, 1925
Bethacanthus Zangerl, 1990
Bethesdaichthys Bender, 2001
Beyrichosteus Otto, 2005
Biapillaria Wade, 1842
Bibractopiscis Heyler & Poplin, 1982
Bidentia Musper, 1920
Bidentulus White & Moy-Thomas, 1940
Biforisodus Daimeries, 1888
Bioistodina He & Pei, 1984
Bipapilaria Fleming, 1822
Bipapillaria Lamarck, 1816
Bipennatus Mawson, 1993
Birgeriidae Berg, 1940
Birkeniidae
Birksfeldia Orchard, 1980
Bishofia Kazantseva, 1968
Blairolepus Lowney, 1983
Blakea Steindachner, 1877
Blanzyhaplolepis Poplin, 1997
Blenitrachus Swainson, 1839
Blenniomoaeus Costa, 1856
Blenniomoeus Costa, 1850
Blennitrachus Swainson, 1839
Blennus Walbaum, 1792
Bliccopsis Heckel, 1843
Blieckaspis Elliott & Ilyes, 1996
Blikanasauridae
Blochius Volta, c., 1800
Blomolepis Selezneva, 1986
Blotichthys Sorbini, 1984
Bobasatraniidae
Bobbichthys Arratia, 1986
Bobbodus Zangerl, 1981
Bogdaichthys Su, 1980
Bogimba Whitley, 1943
Bogota Blyth, 1860
Bohemiacanthus Schneider, 1996
Bohlkea Taverne & Nolf, 1979
Boleops Gill, 1863
Bolesoma De Kay, 1842
Boletaria Gray, 1821
Bolivacanthus Gagnier, Turner, Friman, Suarez-Riglos & Janvier, 1988
Bolivosteus Goujet, Janvier & Suarez-Riglos, 1985
Bollandaspis Schultze, 1976
Boltonia König, 1820
Boluochidae
Bonetia Varol & Houghton, 1996
Boomeraspis Long, 1995
Boopsidea Castelnau, 1861
Boothialepis Märss, 1999
Boothiaspis Broad, 1973
Borborys Goode & Bean, 1885
Boreania Karatajute-Talimaa, 1985
Boreaspididae
Boreichthys Selezneva, 1982
Boreocentrarchus Schlaikjer, 1937
Boreogaleus Gill, 1861
Boreogobius Gill, 1863
Boreolepididae
Boreolepis Nielsen, 1935
Boreolepsis Aldinger, 1937
Boreosomus Stensiö, 1921
Bossus Wilkes, 1799
Bostrichoides Duméril, 1806
Bostrichthoides Oken, 1816
Bostrillus Paetel, 1875
Bostrychoides Lacepède, 1802
Bothriaspis Obruchev, 1964
Bothriolepididae
Bothriospondylidae
Bothrolaemus Holbrook, 1855-57
Bothropodidae
Bothrosteus Agassiz, 1844
Bothyllus Hesse, 1864
Botrilloides Gervais, 1840
Botrillus Oken, 1829
Botrydemnum Oka, 1933
Botryllis Porro, 1841
Botrylus Kölliker & Loewig, 1846
Bourbonnella Heyler, 1967
Brachiacanthus Fritsch, 1889
Brachioptera Gratzianow, 1906
Brachyacanthus Egerton, 1860
Brachycheirophis Fowler, 1944
Brachydegmidae
Brachydeiridae
Brachydeirus Koenen, 1880
Brachyglaucosoma Fowler, 1934
Brachyichthys Winkler, 1862
Brachylebias Priem, 1908
Brachymesistius Gill, 1863
Brachymullus Bleeker, 1876
Brachymystus Fowler, 1937
Brachyosteus Jaekel, 1927
Brachypareion Kazantseva-Selezneva, 1980
Brachyplatysoma Bleeker, 1863
Brachypteraspis Brotzen, 1936
Brachyrhamphichthys Günther, 1870
Brachysomus Liu, 2003
Brachyspondylus Marck, 1868
Brachystacus Van der Hoeven, 1855
Bradyurus Gill, 1904
Bramlettia David, 1946
Bramopsis Agassiz, 1861
Branchiosteus Gill, 1861
Branmehla Hass, 1959
Branmehlia
Brasilichnium Leonardi, 1981
Braunosteus Stensiö, 1959
Brazilichthys Hutchinson, 1991
Breinomyrus Taverne, 1971
Breizosteus Goujet, 1980
Brembodontidae
Brembodus Tintori, 1980
Brephamia Jordan, 1922
Breviastellium Seeliger, 1907
Brevicephaloides Teugels, 1982
Brevigobio Tanaka, 1916
Brevipetalichthys Ji & Pan, 1996
Brevisaurichthys Beltan, 1972
Brevistellium Jourdain, 1885
Briagalepis Long, 1990
Brindabellaspidae
Brindabellaspis Young, 1980
Brochoadmones Bernacsek & Dineley, 1977
Brockius Hubbs, 1953
Brogmarus Risso, 1820
Brohisaurus
Brontichthys Claypole, 1894
Brontopodidae
Brookvalia Wade, 1933
Broometta Chabakov, 1928
Brosmus Fleming, 1828
Brotuloides Robins, 1961
Brotzenaspis Stensiö, 1948
Brouweria Beaufort, 1926
Browneichthys Woodward, 1889
Brunichthys Parr, 1951
Bruntonichthys Dennis & Miles, 1980
Bryactinus Cope, 1875
Bryantodina Stauffer, 1935
Bryconodon Eigenmann, 1903
Bryssophilus Jordan & Evermann, 1898
Bryttosus Jordan & Snyder, 1901
Buccone Jordan & Evermann, 1897
Buchanosteidae
Bucklandium König, 1825
Budurovignathus
Bueckeburgichnus
Buffonites Sternberg, 1829
Bufichthys Swainson, 1839
Buglossus Günther, 1862
Bulbiceps Jordan, 1919
Bulbocanthidae Young & Goujet, 2003
Bulbocanthus Bryant, 1932
Bullerichthys Dennis & Miles, 1980
Bungartius Dunkle, 1947
Buphthalmus Smith, 1959
Burbonella
Burguklia Kazantseva-Selezneva, 1980
Burnhamia Cappetta, 1976
Burobulla Whitley, 1931
Burrinjucosteidae
Burrinjucosteus White, 1978
Busuanga Herre, 1930
Butigobius Whitley, 1930
Butlerigale
Byadkudansauropus
Byssacanthoides Woodward, 1922
Byssacanthus Agassiz, 1845
Bythiacanthus St. John & Worthen, 1875
Byzenos Münster, 1843
Cabonnichthys Ahlberg & Johanson, 1997
Cacumen Whitley, 1931
Caecilophis Duméril, 1856
Caelatichthys Lombardo, 2002
Caeloperca Agassiz, 1845
Caenodontus Behnken, 1975
Caenopidae
Cahabagnathus Bergström, 1983
Calamodontidae
Calamoea Agassiz, 1846
Calamoia Agassiz, 1845
Calciroda Meyer, 1952
Calcus Nordmann, 1843
Calignathus Costa, 1853
Calilepidus David, 1956
Callarias Walbaum, 1792
Calliblennius Aoyagi, 1954
Callidulus Fowler, 1907
Calliomoris Rafinesque, 1815
Calliomorus Lacepède, 1800
Callipera Huntsman, 1922
Callistiopterus Thomson & Hahn, 1968
Callodus Thurmond, 1974
Callognathus Newberry, 1890
Callomystax Günther, 1864
Callopristodus Traquair, 1888
Calopodus St. John & Worthen, 1875
Calopomus Agassiz, 1845
Cambaracanthus Lindley, 2000
Cambrooistodus Miller, 1980
Cambropustula Müller & Hinz, 1991
Camconodontus Wu, Yao & Ji, 2004
Caminchaia Rusconi, 1946
Campodus de Koninck, 1844
Camposella Fernandez-Yepez, 1948
Camposichthys Travassos, 1946
Camptaspis Branson & Mehl, 1931
Camptosaurichnus
Campylodus Rohon, 1893
Campylognathoididae
Campylopleuron Etheridge, 1866
Campyloprion Eastman, 1902
Camuropiscis Dennis & Miles, 1979
Canadalepis Vieth, 1980
Canadapteraspis Dineley & Loeffler, 1976
Canadipterus Jaekel, 1927
Caninoa Nardo, 1841
Cannorynchus Cantor, 1850
Canobiidae
Canobius Traquair, 1881
Canonia Vieth, 1980
Canowindridae
Canthirhynchus Swainson, 1839
Canthirynchus Swainson, 1839
Canthopomus Eigenmann & Allen, 1942
Canthorhynchus Agassiz, 1846
Canthyrynchus Swainson, 1839
Cantorusia Whitley, 1940
Capiratus Jarocki, 1822
Capricornognathus Austin & Mitchell, 1975
Capridae
Capriscus Schaeffer, 1760
Carangops Gill, 1862
Carangulus Jordan & Evermann, 1927
Carapeus Valenciennes, 1847
Carapo Oken, 1817
Carassiodes Oshima, 1926
Carbonilepis Beltan, 1978
Carboveles White, 1927
Carbovelidae
Carcharidae
Carcharopsis Agassiz, 1843
Cardiodontidae
Cardipeltidae
Caremitra Jordan & Evermann, 1897
Carinacanthus Bryant, 1934
Carinella Budurov, 1973
Cariniceps Woodward, 1901
Carinotus La Monte, 1933
Caririchnium Leonardi, 1984
Carlukeus Whitley, 1940
Carnichthys Broom, 1913
Carniodus Walliser, 1964
Carpionichthys Bleeker, 1862
Carrionellus White, 1927
Cartieraspis Pageau, 1969
Caruichthys Broom, 1913
Carycinacanthus Miles, 1966
Caseodontidae
Caseodus Zangerl, 1981
Casineria Paton, Smithson & Clack, 1999
Cassandra White & Moy-Thomas, 1940
Cassidiceps Gagnier & Wilson, 1996
Castelnauina Fowler, 1907
Catablemella Eigenmann, 1890
Catervariolus de Saint Seine, 1955
Cathaymyrus Shu, Conway Morris & Zhang, 1996
Cathlesichthys Young, 2004
Catophorhynchus Troschel, 1856
Catopterus Agassiz, 1833
Catostomites Schlaikjer, 1937
Caudicriodus Bultynck, 1976
Caudipterygidae
Caulichthys Ogilby, 1898
Cavanacanthus Lindley, 2000
Cavanosteus Young, 2004
Cavelampus Whitley, 1933
Cavenderichthys Arratia, 1997
Caviramus
Cavusgnathidae
Cavusgnathus Harris & Hollingsworth, 1933
Cearana Jordan & Branner, 1908
Cechemus Agassiz, 1845
Celsigondolella Kozur, 1968
Celtiberina Wang, 1993
Celtipristis Kriwet, 1999
Cenchrodus von Meyer, 1847
Cenechoia Rusconi, 1946
Centaurus Kaup, 1855
Centetidae
Centralasia Sytcheskaya, 1989
Centranodon Lacepède, 1803
Centrarchites Cockerell, 1919
Centroblennius Gill, 1864
Centrodus Giebel, 1848
Centrogobius Bleeker, 1874
Centrolepidae
Centrolepididae
Centronodon Oken, 1816
Centropodus Lacepède, 1802
Cephalacanthus Beyrich, 1848
Cephalaspidomorphi
Cephaliscus Whitley, 1940
Cephalochordata
Cephalofarer Whitley, 1933
Cephalogobius Bleeker, 1874
Cephalopsis Fitzinger, 1874
Cephaloxenidae
Cephaloxenus Brough, 1939
Cephenoplosus Sauvage, 1874
Cepolophis Kaup, 1856
Ceracantha Rafinesque, 1815
Ceraspis Schlüter, 1887
Ceratocaulophryne Roule & Angel, 1932
Ceratolepichthys Whitley, 1940
Ceratolepis Gross, 1933
Cercariomorphus Cope, 1885
Cerichthys Agassiz, 1846
Cericteus Swainson, 1838
Cerictius Rafinesque, 1810
Cerintha Rafinesque, 1815
Ceritius Rafinesque, 1810
Cervicornoides Stauffer, 1938
Cervifurca Zangerl, 1997
Cerystion Walbaum, 1792
Cestraciontidae
Cestralion Müller & Henle, 1838
Cestrorhinus de Blainville, 1816
Chabanaudetta Whitley, 1931
Chaenopsetta Gill, 1864
Chaetolabrus Swainson, 1839
Chalazacanthus Davis, 1883
Chalcodus Zittel, 1887
Chalisoma Swainson, 1839
Chalisomus Swainson, 1839
Chalixodites Schultz, 1943
Challaia Rusconi, 1946
Chandlerichthys Grande, 1986
Changchunsaurus
Changichthys Su Dezao, 1991
Changjiangidae
Changolepis Wang Nianzhong, 1984
Changshundontus Xiong, 1983
Changua Gray, 1842
Changxingaspis Wang, 1991
Changyanophyton P'an Kiang, 1961
Channorhynchus Gill, 1861
Chanoides Woodward, 1901
Chaoyangosauridae
Chapinus Jordan & Evermann, 1897
Characilepis Cockerell, 1921
Characodus Davis, 1883
Charassognathus
Charaxodon Yepez, 1947
Charitodon Meyer, 1847
Charitosaurus Meyer, 1838
Charleuxia Heyler, 1969
Chasmenchelys Fowler, 1944
Chattertonodus Märss, Wilson & Thorsteinsson, 2002
Chavichthys Selezneva, 1987
Cheilobus Rafinesque, 1817
Cheiracanthidae
Cheiracanthoides Wells, 1944
Cheiragonus Herzenstein, 1891
Cheiridodus Eigenmann, 1922
Cheirodopsis Traquair, 1881
Cheirodus Pander, 1858
Cheirolepidae Pander, 1860
Cheirolepididae
Cheiromuroenesox Fowler, 1944
Cheironebris Fowler, 1944
Cheirostephanus Casier, 1958
Cheiroxenichthys Fowler, 1930
Chelomodus Rohon, 1893
Cheloniger Lacepède, 1803
Chelonopsis Jordan, 1905
Chengyuania Kozur, 1994
Chenolepis Sansom, Aldridge & Smith, 2000
Cheriocercus Eigenmann, 1917
Chetungichthys Chang & Chow, 1974
Cheungkongella Shu, Chen, Han & Zhang, 2001
Chiastodus Trautschold, 1879
Chiastolepis Eichwald, 1844
Chichia Liu & Wang, 1978
Chicolepis Cockerell, 1919
Chilodus Giebel, 1848
Chilomyzon Fowler, 1906
Chimaeracanthus Quenstedt, 1856
Chimaeropsis Zittel, 1887
Chimaerotheca Brown, 1946
Chionoconus Smith, 1991
Chiosella Kozur, 1990
Chiraropalus McCoy, 1890
Chirocentrites Heckel, 1849
Chirodella Hirschmann, 1959
Chirodipteridae Campbell & Barwick, 1990
Chirodipterus Jaekel, 1933
Chirodontidae
Chirogidae
Chirognathidae
Chirognathus Branson & Mehl, 1933
Chiroleptus Swainson, 1839
Chiromystus Cope, 1886
Chirurgus Blainville, 1818
Chlamydoselachoides Fowler, 1947
Chlamytheridae
Chledristoma Rafinesque, 1814
Chlidnitoma Rafinesque, 1819
Cholodus St. John & Worthen, 1875
Chomatodus Agassiz, 1838
Chondrenchelyidae
Chondrenchelys Traquair, 1888
Chondroplites Gill, 1862
Chondrorhynchus Heckel, 1843
Chordotus Haeckel, 1879
Choregon Minding, 1832
Chosonodina Müller, 1964
Chriolax Jordan & Gilbert, 1879
Chriope Jordan, 1878
Christolepis Eichwald, 1846
Chrotichthys Wade, 1940
Chryseis Schinz, 1822
Chrysostos Duméril, 1806
Chrysostosus Rafinesque, 1815
Chrysotos Oken, 1816
Chrysotoxus Agassiz, 1846
Chuanjiesaurus
Chubutisauridae
Chuchinolepis Chang, 1978
Chuhsiungichthys Lew, 1974
Chungkingichthys Su, 1974
Cibotion Kaup, 1855
Cimolomidae
Cingla Fleming, 1822
Circagadiculus Gaemers, 1990
Cirinodon Steinmann, 1927
Cirrhibarba Griffith, 1834
Cirrhibarbes Griffith, 1834
Cirrhibarbus Cuvier & Valenciennes, 1836
Cirrhimens Bleeker, 1876
Cirrhinichthys Bleeker, 1863
Cirrhiptera Bleeker, 1876
Cirrhisomus Swainson, 1839
Cirrhistoma Schinz, 1822
Cirrhitopsis Gill, 1862
Cirrhosomus Agassiz, 1846
Cirrhostoma Berthold, 1827
Cirrhribaba Swainson, 1838
Cirribarbis Agassiz, 1846
Cirribarbus Swainson, 1839
Cirrimens Gill, 1862
Cirrisomus Bonaparte, 1841
Cisco Jordan & Evermann, 1911
Citharaspis Afanassieva, 1989
Citharinoides Daget, 1962
Citharopsettodes Schwarzhans, 1978
Cladacanthus Davis, 1883
Cladarosymblema Fox, Campbell, Barwick & Long, 1995
Cladistia Cope, 1870
Cladodoides Maisey, 2001
Cladoselachidae
Clara Gill, 1862
Claricola Jordan & Evermann, 1896
Clarkeosteus Obruchev, 1964
Clarkina Kozur, 1990
Clarkognathus Kozur, 1980
Clarorbis Pan & Ji, 1993
Clastes Cope, 1873
Clastichthys Whitley, 1940
Clavillina
Clavohamulidae
Clavohamulus Furnish, 1938
Clavulina
Clavulodus Mound, 1968
Cleidogonia Stinton & Torrens, 1968
Cleirothrix Marck & Schlüter, 1868
Cleithrolepidae
Cleithrolepididae
Clematius Agassiz, 1844
Cleptochromis Greenwood, 1980
Climacogrammus Smith, 1963
Climatiidae
Climaxodus M'Coy, 1848
Clinoides Gilchrist & Thompson, 1908
Clodalus Rafinesque, 1820
Cloghergnathus Austin & Mitchell, 1975
Clupavichthys Gayet, 1989
Clupavus Arambourg, 1950
Clupeina Agassiz, 1844
Clupeops Fontannes, 1880
Clupeopsis Casier, 1946
Clydagnathus Rhodes, Austin & Druce, 1969
Clydonaspis Elliott, 1994
Cnidon Müller & Troschel, 1849
Cobiomoroides Agassiz, 1846
Cobitichthys Bleeker, 1859
Coccocephalichthyidae
Coccocephalichthys Whitley, 1940
Coccodontidae
Coccodus Pictet, 1851
Coccogenia Cockerell & Callaway, 1909
Coccolepidae Berg, 1940
Coccolepididae
Coccolus Cocco, 1844
Cocconiscus White & Moy-Thomas, 1940
Coccopeltus Pander, 1856
Coccosteidae
Coccosteus Agassiz, 1844
Coccotis Jordan, 1882
Cochlioceps Whitley, 1943
Cochliodon Günther, 1864
Cockerellites Jordan, 1923
Codoichthys da Silva Santos, 1994
Codonolepis Geinitz, 1868
Coecaria Lohmann, 1933
Coecilophis Kaup, 1856
Coelocephalus Agassiz, 1845
Coelocerodontus Ethington, 1959
Coelolepididae
Coeloperca Agassiz, 1845
Coelopoma Agassiz, 1845
Coelosteichthys Whitley, 1940
Coelosteus Newberry, 1887
Coelurosauridae
Coinolepis Geinitz, 1868
Colaptoconus Kennedy, 1994
Coleodontidae
Coleodus Branson & Mehl, 1933
Colifaxia Whitley, 1935
Coliscus Cope, 1872
Colliolus Gaemers & Schwarzhans, 1973
Colobichthys Whitley, 1940
Colobodes Steininger, 1841
Colobodontidae Stensiö, 1916
Colocopus Gill, 1884
Colonodus M'Coy, 1848
Colpopholis Chabanaud, 1931
Colubrina Lacepède, 1803
Colubrinus Duméril, 1806
Cometicercus Wilson & Caldwell, 1998
Comita Huntsman, 1922
Commentryidae
Compagopiscis Gardiner & Miles, 1994
Comperniodontella Ryley & Fåhraeus, 1994
Complexodus Dzik, 1976
Compsacanthus Davis, 1883
Conchiopsis Cope, 1873
Conchodontus Wang & Yin, 1984
Conchodus M'Coy, 1848
Conchopomatidae
Concornithidae
Condorraptor
Conference Gaemers, 1983
Congerodon Kaup, 1856
Congorhynchus Dartevelle & Casier, 1949
Congruogobius Ginsburg, 1953
Conodus Woodward, 1895
Conolepis Brotzen, 1934
Conomus Rafinesque, 1815
Conopiscius Briggs & Clarkson, 1987
Conorhynchus Gill, 1861
Conoryctidae
Conosaurops Leidy, 1868
Conosaurus Gibbes, ?, 1851
Conosurus Gibbes, 1850
Cooperella Gunnell, 1933
Cooperignathus Zhen, 2003
Cooperodon Whitley, 1956
Cooyoo Lees & Bartholomai, 1987
Copanognathus Hussakof & Bryant, 1920
Copelandellus Jordan & Evermann, 1896
Copelandia Jordan, 1877
Copodontidae
Copodus Davis, 1883
Corallicola Jordan & Evermann, 1898
Corallochaetodon Burgess, 1978
Cordylodontidae
Cordylodus Pander, 1856
Corina Hartmeyer, 1915
Coringasuchus
Cornaspis Whitley, 1940
Cornovichthys Newman & Trewin, 2001
Cornuboniscidae
Cornuboniscus White, 1939
Cornudina Hirschmann, 1959
Cornuodontidae
Cornuodus Fåhraeus, 1966
Corollaspis Bartholomaus, 1999
Coronadus Jordan, 1925
Coronodontidae
Coronodus Bryant, 1935
Corriebaataridae
Corunegenys Wade, 1942
Corusculus Jordan & Snyder, 1901
Corvaspididae
Corveolepis Blieck & Karatajute-Talimaa, 2001
Corvo Oken, 1816
Coryphus Lacepède, 1802
Corysodon Saint-Seine, 1946
Coryssognathus Link & Druce, 1972
Coscinodus Pander, 1856
Cosmaspis Denison, 1970
Cosmodus Sauvage, 1879
Cosmolepides McCoy, 1890
Cosmolepis Egerton, 1858
Cosmopoma Sauvage, 1888
Cosmoptychiidae
Costadontus Zhou Xiyun
Costaichthys Fowler, 1958
Costapolygnathus Bardashev, Weddige & Ziegler, 2002
Costasaurus
Costiconus Rasmussen, 2001
Cotylichthys Jordan, 1919
Coupatezia Cappetta, 1982
Cowielepis
Cranodus Trautschold, 1879
Crapartinellidae
Crassilabris Swainson, 1839
Cratognathodus Mosher, 1968
Cratoselache Woodward, 1924
Credemnolepis Geinitz, 1868
Crenilepis Reis, 1887
Crenilepoides Strand, 1929
Crenolepis Carus, 1888
Crenosteus Tarlo, 1965
Cretalamna Glikman, 1958
Cretalbula Nessov, 1985
Cretascyllium Müller & Diedrich, 1991
Cretaspis Sokolov, 1965
Cretomanta Case, Tokaryk & Baird, 1990
Cricacanthus Agassiz, 1843
Cricodus Agassiz, 1844
Cridotrisauropus
Cristodus Repetski, 1982
Criteriognathus Walliser, 1972
Crommiolepis Geinitz, 1868
Crommyodus Cope, 1869
Crossobothus Fowler, 1934
Crossocheilichthys Bleeker, 1860
Crossognathus Pictet, 1858
Crossoloriearia Isbrücker, 1979
Crossoscorpaena Fowler, 1938
Crostoma Rafinesque, 1815
Cryphiolepididae
Cryphiolepis Traquair, 1881
Cryptolychnus Regan & Trewavas, 1932
Cryptomera Rafinesque, 1820
Cryptospondylus Jaekel, 1927
Cryptotaxis Klapper & Philip, 1971
Crytomodus Ni, 1987
Ctenacanthidae
Ctenaspididae
Ctenaspis Kiaer, 1930
Cteniolepidotrichia Poplin & Su, 1992
Ctenodontidae Woodward, 1891
Ctenognathichthys Burgin, 1992
Ctenognathodus Fay, 1959
Ctenognathus Pander, 1856
Ctenolepis Woodward, 1895
Ctenopetalus Davis, 1881
Ctenopleuron Matthew, 1907
Ctenopolygnathus Müller & Müller, 1957
Ctenoptychius Agassiz, 1838
Ctenosauriscus
Ctenoscolopsis Fowler, 1931
Ctenothrissidae
Cudotaxis Chauff, 1981
Culmacanthidae
Culumbodina Moskalenko, 1973
Cumbel Whitley, 1952
Cunicularia
Curimatichthys Fernandez-Yepez, 1948
Curtipenis Rivas & Myers, 1950
Curtodus Sauvage, 1867
Curtognathus Branson & Mehl, 1933
Cwmaspis White & Toombs, 1983
Cyanichthys Kaup, 1855
Cyathaspididae
Cyclarthrus Agassiz, 1836
Cyclodiscaspis Liu, 1975
Cyclogasterus Cloquet, 1818
Cyclogobius Steindachner, 1860
Cycloides Winkler, 1878
Cyclolepis Geinitz, 1868
Cyclolepoides David, 1946
Cyclonarce Gill, 1861
Cyclospondylus Quenstedt, 1867
Cyclotomodon Cope, 1876
Cylindrichthys Kazantseva-Selezneva, 1980
Cymatodus Newberry & Worthen, 1870
Cynedus Scopoli, 1777
Cyneichthys Ogilby, 1910
Cynocharax Fowler, 1907
Cynodus Cuvier, 1817
Cynoedus Griffith, 1834
Cynogadus Howes, 1991
Cynoglossa Bonaparte, 1846
Cynopodius Traquair, 1881
Cynopsetta Jordan & Starks, 1906
Cynosauridae
Cypholepis Gross, 1931
Cyphomalepis Pander, 1856
Cyphoscopelus Fowler, 1925
Cyprichthys Whitley, 1936
Cypridodella Mosher, 1968
Cyprinoides Nardo, 1824
Cypselichthys Steindachner & Döderlein, 1883
Cyranichthys Taverne, 1987
Cyranorhis Lund & Poplin, 1997
Cyrtoniodontidae
Cyrtoniodus Stauffer, 1935
Cyrtorhynchus Costa, 1855
Cyrtosteus Gross, 1932
Cytroniodus
Dabasacanthus Zangerl, 1979
Dactyleptus Rafinesque, 1815
Dactylodus Newberry & Worthen, 1866
Dactylolepis Kunisch, 1885
Dactyloleptus Agassiz, 1846
Daedalichthys Brough, 1931
Dagysa Banks & Solander, 1773
Dagyza Home, 1814
Dahutherium
Daia Ogilby, 1903
Dajetella Gayet & Meunier, 1992
Dakotasaurus
Dalingheornis
Dalmehodus Long & Hairpetian, 2000
Damaspis Wang Nianzhong & Wang Junqing, 1982
Damocles Lund, 1986
Dandya White & Moy-Thomas, 1941
Daninia Lombardo, 2001
Dapediidae Lehman, 1966
Dapedoglossus Cope, 1877
Daphnaechelus Beltan, 1978
Dapsilodontidae
Dapsilodus Cooper, 1976
Daptinus Cope, 1873
Daqingshaniscus Chen Xiaoping, 1988
Darbasodus Averianov, 1991
Dartmuthiidae
Darwinornithidae
Dasbergina Schafer, 1976
Dasceles Jordan, 1925
Dascillus Gronovius, 1854
Dasyacanthurus Fowler, 1944
Dasybatus Hollberg, 1819
Dasylepis Pander, 1856
Dasyrhombodus Noubhani & Cappetta, 1994
Daunichthys Annandale & Hora, 1925
Daurada Stark, 1828
Davelaspis Blieck, 1983
Davidia Ribeiro, 1915
Dayaoshania Ritchie, Wang Shitao, You & Zhang Guorui, 1992
Dayongaspididae
Dayongaspis Pan Jiang & Zeng Xiangyuan, 1985
Debeerius Grogan & Lund, 2000
Decactylus Rafinesque, 1820
Decadactylus Agassiz, 1846
Decagrammus Hubbs, 1928
Decaptus Poey, 1858
Decazella Heyler, 1967
Declinognathodus Dunn, 1966
Decoriconus Cooper, 1975
Decterias Jordan & Starks, 1904
Deflectolepis Müller, 1956
Deihim Ginter, Hairapetian & Klug, 2002
Deinodus Hussakof & Bryant, 1919
Deirolepis Wells, 1944
Deirosteus Wells, 1942
Delatitia Long & Campbell, 1985
Delatorrichnus
Delorhynchus
Delothyris Goode, 1884
Delpitia Noubhani & Cappetta, 1997
Delsmania Fowler, 1934
Deltaichthys Fielitz & Bardack, 1992
Deltapodus Whyte & Romano, 1994
Deltaraia Jordan, 1925
Deltodopsis St. John & Worthen, 1883
Denaeidae
Dendracanthus Lehman, 1937
Dendrocladus Agassiz, 1857
Dendrodus Owen, 1841
Dendromorphella Pyankovskii, 1989
Dendroptychius Young, 1866
Dendrotus Costa, 1853-?60
Dengizperca Shcherbuka, 1992
Dentacodina Wang, 1980
Denticopsis Fric & Bayer, 1902
Dercetis Münster & Agassiz, 1834
Dercetoides Chalifa, 1989
Dermatonyx Giebel, 1858
Dermatoptychus Marck, 1868
Dermocassis Nichols, 1925
Derrhias Jordan, 1925
Deschauenseeia Fowler, 1934
Desmacanthus Quenstedt, 1856
Desmichthys Sauvage, 1880
Desmiodontidae
Desmiodus St. John & Worthen, 1875
Desmoprenes Fowler & Bean, 1929
Deuterophysa Rendahl, 1933
Deuteropterus Gill, 1861
Deuterotetrapous
Deveonema Kulczycki, 1957
Deveximentum Fowler, 1904
Devillersia Beltan, 1968
Devisina Fowler, 1931
Devononchus Gross, 1940
Dexiourius Chabanaud, 1947
Dhanguura Young, 2004
Dhoma Talwar & Joglekar, 1970
Diabolepididae
Diabolepis Zhang Miman & Yu Xiaobo, 1987
Diabolicthys Holmes, 1856
Diacantha Swainson, 1839
Diacoma Gould, 1856
Diacopoma Smith, 1831
Diacranodus Garman, 1885
Diadelognathus Nicoll & Rexroad, 1969
Diademaspis Janvier, 1985
Diademodus Harris, 1951
Diadsomaspis Gross, 1937
Dialipina Schultze, 1968
Diandongaspis Liu, 1975
Diandongpetalichthys Pan & Wang, 1978
Dianolepis Chang, 1965
Diapaletoplites Fowler, 1915
Diaphanichthys Peters, 1865
Diaphanodus Bagnoli, Barnes & Stevens, 1987
Diaphoroculius Fowler, 1938
Diaphorodus Kennedy, 1980
Diaphorognathus Brough, 1933
Diastichus Cope, 1870
Diatomoeca Jordan & Gilbert, 1919
Diazoma Lamarck, 1816
Dicallionymus Fowler, 1941
Dicellopygae Brough, 1931
Dicellopygidae
Dicentrodus Traquair, 1888
Dicerogondolella Tian, 1992
Dicerosalpa de Blainville, 1827
Dichelia Bonaparte, 1846
Dichelodus Giebel, 1857
Dichelospondylus Costa, 1856
Dichodella Mosher, 1968
Dichotiaraspis Bardenheuer, 1990
Dicksonosteus Goujet, 1975
Diclitodus Davis, 1883
Dicranaspis Janvier, 1985
Dictea Münster, 1840
Dictyaspidella Strand, 1934
Dictyaspis Kiaer, 1932
Dictyodus Owen, 1839
Dictyolepis Pander, 1856
Dictyonosteus Stensiö, 1918
Dictyopleurichthys Wade, 1935
Didymaspididae
Didymodella Mosher, 1969
Diepinotus Rafinesque, 1814
Dietrichthys Whitley, 1935
Dilepidion Ginsburg, 1933
Dimeracanthus Keyserling, 1846
Dimorpholepis Teixeira, 1947
Dimyleus Davis, 1883
Dinaspidella Strand, 1934
Dinaspis Kiaer, 1932
Dinectur Rafinesque, 1818
Dinectus Rafinesque, 1820
Dinehichnus Lockley, Santos, Meyer & Hunt, 1998
Dinematochirus Regan & Trewavas, 1930
Dinheirosaurus
Dinichthyidae
Dinoctus Rafinesque, 1818
Dinodontidae
Dinodus Cooper, 1939
Dinognathus Hussakof, 1909
Dinomylostoma Eastman, 1906
Dinosauropodes
Diodontopsodus Davis, 1882
Diodyxodon Thominot, 1881
Diophthelis Rafinesque, 1814
Diphrissa Cope, 1875
Diphyodus Lambe, 1902
Diplacanthidae
Diplacanthoides Brotzen, 1934
Diplacodus Davis, 1884
Diplaspis Matthew, 1887
Diplocercididae
Diplododella Bassler, 1925
Diplodoselache Dick, 1981
Diplodoselachidae
Diplognathodus Kozur & Merrill, 1975
Diplognathus Newberry, 1878
Diplogrammoides Smith, 1963
Diplopterax M'Coy, 1855
Diplopteron Swainson, 1839
Diplospondichthys Filleul & Dutheil, 2004
Dipnoites Fritsch, 1888
Dipnolepis Fritsch, 1894
Dipnorhynchidae
Dipnotuberculus Campbell, Barwick, Chatterton & Smithson, 2002
Dipodiscus
Dipriacanthus M'Coy, 1848
Dipriodontidae
Dipristis Gervais, 1869
Dipsidae
Dipteridae
Dipteroides Jaekel, 1926
Dipteroma Sauvage, 1888
Dipteronotus Egerton, 1854
Diptodus Agassiz, 1826
Diptopterus Miller, 1933
Dipurus Rafinesque, 1815
Diradias Jordan, 1924
Dirhadicodus Harris, 1964
Dischidognathus Ethington & Clark, 1981
Disciconus Yu, 1989
Discobatis Miklucho-Maclay & Macleay, 1886
Discognathichthys Bleeker, 1860
Discolophius Fowler, 1943
Discoserra Lund, 2000
Discotrygon Fowler, 1910
Disdaplia Anon., 1882
Disichthys Broom, 1913
Disparodus Knupfer, 1967
Dispinotus Rafinesque, 1815
Dissodus Miller, 1892
Distacodontidae
Distichodomicrura Fowler, 1936
Distobatus Werner, 1989
Distomodontidae
Distomodus Branson & Branson, 1947
Distraema Modeer, 1792
Ditaxiodus Owen, 1866
Dittodus Owen, 1867
Diurichus Rafinesque, 1815
Dixonanogmius Taverne, 2000
Djabub Forskål, 1775
Djadochtatheriidae
Djulongius Whitley, 1935
Dmitrognathus Gagiev, Kononova & Pazuhin, 1987
Dobraspis Mark-Kurik & Janvier, 1997
Dobrowlania Stensiö, 1944
Dobula Rafinesque, 1820
Doedicuridae
Dolabrodus An Tai-xiang & Tai-xiang, 1982
Doleserpetontidae
Dolichostomias Parr, 1927
Dolicognathus Owen, 1840
Doliodus Traquair, 1893
Doliognathus Branson & Mehl, 1941
Doliolinetta Godeaux, 1998
Dollfusetta Whitley, 1950
Dollfusina Chabanaud, 1933
Dollymae Hass, 1959
Dolophonodus Branson, 1933
Domeykos Arratia & Schultze, 1985
Domicellus Cloquet, 1818
Dongfangaspis Liu, 1975
Dongshanodus Wang Junqing, 1981
Dongusia
Dontacanthus Lehman, 1937
Dorada Jarocki, 1822
Doratodus Schmid, 1861
Dorsolepis Jorg, 1969
Doryaspididae
Dorybelone Fowler, 1944
Doryophrys Duméril, 1856
Doseyosteus Young, 2004
Dotaspis Novitskaya & German, 1983
Doyenneichthys Gaemers, 1983
Dracoma Gould, 1856
Dracovenator
Drepanacanthus Newberry & Worthen, 1866
Drepanaspididae
Drepanaspis Schlüter, 1887
Drepanodina Kononova, 1981
Drepanodistacodus Moskalenko, 1977
Drepanoistodontidae
Drepanoistodus Lindstrom, 1971
Drepanolepis Wilson & Caldwell, 1998
Drimys Jordan, 1925
Driverius David, 1946
Dromatheriidae
Dromatidae
Dropsarus Rafinesque, 1815
Drucognathus Zhang, Barnes & Cooper, 2003
Drydenius Traquair, 1890
Dryornithidae
Dryphenotus Cooper, 1939
Dsungarichthys Su, 1980
Dubiblennius Whitley, 1930
Ducanichthys Burgin, Eichenberger, Furrer & Tschanz, 1991
Duffichthys Ahlberg, 1992
Dugaldia Lees, 1990
Dulichethys Swainson, 1838
Dulosparus Fowler, 1933
Dumfregia Lund & Lund, 1985
Dunkelosteus Lehman, 1956
Durialepis Otto, 2007
Duwibatis Cappetta, 1991
Duyunaspis Pan & Wang, 1978
Duyunolepis Pan & Wang, 1983
Dvorakia Klapper & Barrick, 1983
Dwykaselachus Oelofsen, 1986
Dwykia Gardiner, 1969
Dwykiidae
Dyminodina Dzik, 2002
Dynatobatis Larrazet, 1886
Dyneaspis Heintz, 1934
Dypterolepis Geinitz, 1868
Dyptychosteus Preobrazenskii, 1911
Dyreaspis Heintz, 1934
Dystrophaeidae
Dzikodus Zhang Jianhua, 1998
Eaglesomia White, 1934
Ebenaqua Campbell & Le Duy Phuoc, 1983
Echentaia Rusconi, 1946
Echenus Agassiz, 1845
Echidnidae
Echinodus Davis, 1884
Echinorrhinus Müller & Henle, 1837
Echloniaichthys Smith, 1943
Ecrinesomus Woodward, 1910
Ectinaspis Wängsjö, 1952
Ectoganidae
Ectomirhamphus Gaemers, 1984
Ectopacanthus Valyukyavichyus, 1979
Ectrepopterus Fowler, 1943
Edaphaspis Novitskaya, 1968
Edentosuchidae
Edestidae
Edestodus Obruchev, 1953
Edestus Leidy, 1855
Edmontoniidae
Edonius Rafinesque, 1815
Eestilepis Märss, Wilson & Thorsteinsson, 2002
Effigia
Egertonodus Maisey, 1987
Eglonaspididae
Eglonaspis Obruchev, 1959
Eichwaldia Smitt, 1899
Eichwaldiella Whitley, 1930
Eifellepis Vieth-Schreiner, 1983
Eigilia Kazantzeva-Selezneva, 1977
Eileichthys Pellegrin, 1929
Ekokenia Frizzell & Dante, 1965
Elacates Cuvier, 1829
Elaeophorus Eichwald, 1831
Elaeorhous Pallas, 1814
Elampa Fraser-Brunner, 1949
Elampadena Whitley, 1953
Elaphichthys Jordan & Starks, 1904
Elaphotoxon Fowler, 1905
Elasmobranchii
Elastoma Swainson, 1839
Elaveria Sauvage, 1888
Eldenosteus Miles, 1965
Electrolepis Fritsch, 1893
Elegestolepis Karatajute-Talimaa, 1973
Eleotriculus Ginsburg, 1938
Eleutheractis Cope, 1871
Eleutherurus Agassiz, 1846
Eleuthurus Rafinesque, 1815
Elginerpetontidae
Elictognathidae
Ellesmereia Vieth, 1980
Ellimichthys Jordan, 1919
Elliops Rafinesque, 1820
Ellipsodus Cornuel, 1877
Ellisoniidae
Ellopetalichthys Ørvig, 1957
Ellops Gistl, 1848
Elonichthyidae
Elopides Woodward, 1901
Elopoides Wenz, 1965
Elopopsis Heckel, 1856
Elopothrissus Schwarzhans, 1981
Elpisopholis Woodward, 1908
Elpistoichthys Griffith, 1977
Elpistostegidae
Elsonella Youngquist, 1945
Elsornis
Embalorhynchus Marsh, 1870
Embaysgnathus
Embsaygnathus Metcalfe, 1981
Emidichthys Agassiz, 1846
Emmachaere Jordan & Gilbert, 1919
Emmelas Jordan & Evermann, 1898
Emmydrichthys Jordan & Rutter, 1896
Empedaspis Novitskaya, 1971
Emphycus Jordan & Evermann, 1898
Enantiobatis Cappetta & Case, 1999
Enantiognathus Mosher & Clark, 1965
Enantiornis
Encelyurus Smith, 1934
Encheliopus Richardson, 1843
Enchura Minding, 1832
Endactis Egerton, 1858
Endeiolepididae
Endeiolepis Stensiö, 1939
Endemichthys Forey & Gardiner, 1973
Endemolepis Valiukevicius, 1998
Engrauligobius Iljin, 1930
Engraulites Jordan, 1925
Engycolobodus Oertle, 1927
Enigmatichthys Wade, 1935
Enischnorhynchus Bardack, 1965
Enneistus Jordan & Evermann, 1896
Enneles Jordan & Branner, 1908
Ennelichthys Jordan, 1920
Enniskillen Whitley, 1951
Ennosviaspis
Enseosteus Jaekel, 1919
Ensigadus Gaemers, 1978
Entomacrodops Fowler, 1944
Entoxychirus Gill, 1863
Entoxychyrus Duméril, 1865
Enythrops Rafinesque, 1820
Enzichthys Selezneva, 1988
Eoantiarchilepis Pan & Wang, 1978
Eoarchegonaspis Kiaer, 1932
Eobelodina Sweet, 1959
Eobrycon Jordan, 1907
Eocarchadon Menner, 1932
Eocarniodus Orchard, 1980
Eochanna Roe, 1991
Eocharcharodon Menner, 1932
Eocliophyodus Dartevelle & Casier, 1949
Eoconodontus Miller, 1980
Eocoris Bannikov & Sorbini, 1990
Eocostapolygnathus Bardashev, Weddige & Ziegler, 2002
Eoctenopolygnathus Bardashev, Weddige & Ziegler, 2002
Eocursor
Eocyprinus Sanders, 1934
Eodeclinognothodus Dong, 1987
Eodentatus Nicoll & Shergold, 1991
Eodiptychus Sytchevskaya, 1986
Eoenantiornithidae
Eoexocoetus David, 1947
Eofalodus Harris, 1962
Eogalkinia Nessov, 1994
Eognathodus
Eognathus Philip, 1965
Eoichthys Bryant, 1927
Eoknightia Taverne, 1976
Eoligonodina Branson, Mehl & Branson, 1951
Eolinguipolygnathus Bardashev, Weddige & Ziegler, 2002
Eomacrones White, 1937
Eomanodon Ward & Duffin, 1989
Eomanta Pfeil, 1981
Eomobula Herman, Hovestadt-Euller & Hovestadt, 1988
Eomola Tyler & Bannikov, 1992
Eonaso Blot, 1984
Eoneoprioniodus Mound, 1965
Eoorodus Branson, 1914
Eoperca Jordan, 1919
Eoperleidus Sytchevskaya, 1999
Eopholidophorus Zambelli, 1990
Eoplacognathus Hamar, 1966
Eoplethodus Taverne, 2000
Eoplinthicus Cappetta & Stringer, 2002
Eorandallius Blot & Tyler, 1990
Eosauropus
Eoscombrus David, 1946
Eoscorpius Jordan & Gilbert, 1919
Eosebastes Jordan & Evermann, 1897
Eosemionotus Stolley, 1920
Eosinacanthus Liu, 1997
Eosiphonodella Ji, 1985
Eostomias Jordan, 1925
Eostriatolamia Gluckman, 1979
Eotaphrus
Epelichthys Jordan, 1925
Eperlanio Jordan, 1919
Ephippites Ammon, 1901
Epigondolella Mosher, 1968
Epimonus Rafinesque, 1815
Epinotus Rafinesque, 1815
Epipedorhynchus Troschel, 1856
Epipetalichthys Stensiö, 1925
Epiphthalmus Rafinesque, 1815
Epitomynis Schulze, 1890
Epitrachys Schulze, 1890
Epophthalmus Agassiz, 1846
Epsilonraia Jordan, 1925
Erectopodidae
Erichaeta Jordan, 1877
Erichalcis Forey, 1975
Ericosma Jordan, 1877
Erika Murphy & Matti, 1982
Erikia Chang & Wang, 1995
Erikodus Nielsen, 1952
Eriptychiidae
Erisceles Jordan, 1925
Erismacanthus M'Coy, 1848
Eritima Jordan & Gilbert, 1919
Eritrema Cope & Yarrow, 1875
Erketu
Eromus Uyeno & Miller, 1967
Erpetosuchidae
Erpichthys Swainson, 1839
Erpicthys Swainson, 1839
Erraticodon Dzik, 1978
Errivaspis Blieck, 1984
Erriwacanthus Orvig, 1967
Errolichthys Lehman, 1952
Erromenosteidae
Erromenosteus Jaekel, 1919
Erycthys Swainson, 1839
Eryichthys Agassiz, 1846
Erythrinolepis Cockerell, 1919
Erythrobatis Cappetta, 1991
Erythrodon Rüppell, 1852
Escadotus Smith, 1959
Escharaspis Elliott, 1983
Escharion Jordan, 1925
Escuminaspis Ørvig, 1957
Eskimaspis Dineley & Liu Yuhai, 1984
Esloscopus Jordan & Evermann, 1898
Esosynodus Whitley, 1937
Estrella Girard, 1859
Etaraia Jordan, 1925
Etayoidae
Etelides Jordan & Thompson, 1905
Etelinus Jordan & Thompson, 1911
Ethabukaspis Young & Goujet, 2003
Euacanthus Trautschold, 1884
Eubiodectes Hay, 1903
Eucentrarchus Gill, 1864
Eucentrurus Traquair, 1901
Euchambersidae
Eucharodus Kennedy, 1980
Euchlaodus Ghlikman, 1957
Euclyptosternum Günther, 1864
Eucompsacanthus Fowler, 1958
Eucostapolygnathus Bardashev & Weddige, 2003
Euctenius Traquair, 1881
Euctenodopsis Wellburn, 1901
Eucyclaspis Denison, 1970
Eucynodus Owen, 1854
Eudulus Fowler, 1907
Euelatichthys Fowler, 1904
Eugaleaspididae
Eugaleaspis Liu Yuhai, 1980
Eugeneodontidae
Eugeneodus Zangerl, 1981
Euglossodus White & Moy-Thomas, 1940
Eugnathides Gregory, 1923
Eukeraspis Lankester, 1870
Eulepidorhamphus Fowler, 1919
Eulepidotus Egerton, 1868
Euleptaspis White & Moy-Thomas, 1940
Euleptocephalus Strömman, 1895
Eumylodus Leidy, 1873
Eunemacanthus St. John & Worthen, 1883
Eupalaeoniscus Rzehak, 1881
Eupera Michaelsen, 1904
Euperiptycha Huntsman, 1922
Euphaneropidae
Euphyacanthus Traquair, 1894
Euplatygaster Fowler, 1934
Eupleurodus Gürich, 1884
Eupleurogmus McCoy, 1890
Eupnoea Gistl, 1847
Euprioniodina Bassler, 1925
Euproserpa Fowler, 1934
Euptychaspis White & Moy-Thomas, 1941
Eurecana Bock, 1959
Eurinotus Agassiz, 1836
Eurocharax Gaudant, 1980
Euronotus Agassiz, 1835
Eurotilapia Gaemers, 1989
Eurunotus Pander, 1860
Eurycaraspis Li, 1991
Eurychir Jordan, 1925
Eurycormus Wagner, 1859
Eurygnathus Davis, 1887
Eurylepidoides Case, 1935
Eurymyctera Kaup, 1856
Eurynotoides Berg, 1940
Eurynotus Agassiz, 1834
Eurypholidae
Eurypoma Huxley, 1866
Eurysomus Young, 1866
Eurystichthys Whitley, 1950
Eurythorax Cope, 1871
Eusebastes Sauvage, 1878
Euskelesauridae
Eusthenodon Jarvik, 1952
Eusthenopteridae
Eustomatodus Gill, 1863
Eustreptospondylidae
Euthacanthidae
Euthacanthus Powrie, 1864
Euthynotus Wagner, 1860
Eutychelithus Jordan, 1876
Eutynichnium
Euzaphleges White & Moy-Thomas, 1941
Evapristis Jordan & Evermann, 1897
Evasterium Rafinesque, 1815
Evazoum
Evencodus Moskalenko, 1970
Evenichthys Whitley, 1935
Evenkia Berg, 1941
Evenkiidae Selezneva, 1985
Evepigymnus Gill, 1863
Evermannolus Eigenmann & Ogle, 1907
Evistiopterus Whitley, 1932
Ewingia Case & Cappetta, 1997
Exallerix
Exocallus Pylaie de Fougères, 1834
Exochognathus Pollock, Rexroad & Nicoll, 1970
Exocoetoides Davis, 1887
Exolissus Jordan, 1923
Exotirichthys Whitley, 1937
Exutaspis Liu Yuhai & Wang Junqing, 1981
Ezkutuberezi Poyato-Ariza, López-Horgue & Garcia-Garmilla, 2000
Faber Gouan, 1770
Fadenia Nielsen, 1932
Fahraeusodus Stouge & Bagnoli, 1988
Falcatidae
Falcatus Lund, 1985
Falcodus Huddle, 1934
Fallacosteus Long, 1990
Farer Forskål, 1775
Fares Jordan, Evermann & Tanaka, 1927
Farhians Whitley, 1930
Farlapiscis Whitley, 1931
Farnellia Traquair, 1898
Fasciodus Henry, 1876
Faugichthys Taverne & Chanet, 2000
Fayolia Renault & Zeitler, 1884
Fehmarnichthys Casier, 1967
Fereleotris Smith, 1958
Ferganaegnathodus Nemirovskaya & Nigmadganov, 1993
Ferganamia Kaznyshkin, 1990
Ferganiscus Sytchevskaya & Yakolev, 1999
Ferganocephale
Ferganoceratodus Nessov & Kaznyshkin, 1985
Ferrarius Costa, 1855-56
Ferrifrons Jordan, 1925
Fierasferoides Schwarzhans, 1981
Filialosa Fowler, 1944
Filodontus Pyle, Barnes & Ji, 2003
Fimbria Risso, 1826
Fiscina Whitley, 1940
Fisherichthys Weems, 1999
Fissala Gill, 1905
Fissodus St. John & Worthen, 1875
Flabellignathus Gedik, 1975
Flajsella Valenzuela-Rios & Murphy, 1997
Fleurantiidae Berg, 1940
Flexipenis Hubbs, 1963
Flictognathus Cooper, 1939
Florestacanthus Burrow, Janvier & Villarroel, 2003
Flugo Whitley, 1951
Flugopterus Whitley, 1951
Fodia Bosc, 1801
Fonticulus Trewavas, 1962
Fontinus Jordan & Evermann, 1896
Forfex Jordan & Gilbert, 1919
Forillonaspis Pageau, 1982
Fortscottella Gunnell, 1931
Fouldenia White, 1927
Fraenkelaspis Stensiö, 1958
Frederichthys Coates, 1993
Fredichthys
Freigichthys Otero, 1997
Fretillaria Agassiz, 1842
Frigorilepis Märss, Wilson & Thorsteinsson, 2002
Fruitafossor
Fryxellodontidae
Fryxellodontus Miller, 1969
Fuchunkiangia Chang & Chow, 1974
Fukangichthys Tetsao Su, 1978
Fulengidae
Fundulichthys Bleeker, 1860
Fungulodus
Furcacaudidae
Furnishidae
Furnishina Müller, 1959
Furnishinidae
Furnishius Clark, 1959
Fuscatelum Page, 1981
Fuscinapedis Lee, 1997
Fusiloricaria Fowler, 1939
Gabanellia Tintori & Lombardo, 1996
Gaboa Whitley, 1940
Gabreyaspididae
Gabreyaspis Novitskaya, 1968
Gadapistus Beaufort, 1949
Gadichthys Gaemers & Schwarzhans, 1973
Gadophycis Stinton, 1965
Galasaccus Fowler, 1916
Galeaspis Liu, 1965
Galeodes Heckel, 1854
Galeodontella Ryley & Fåhraeus, 1994
Galeolamnoides Whitley, 1934
Galerita Gouan, 1770
Galkinia Ghekker, 1948
Gals Gray, 1842
Galveosaurus
Gamachignathus McCracken, Nowlan & Barnes, 1980
Gambusinus Jordan & Evermann, 1896
Gammaraia Jordan, 1925
Gamphacanthus Miller, 1892
Gampsacanthus St. John & Worthen, 1875
Gampsolepis Karatajute-Talimaa, 1978
Ganacrodus Owen, 1867
Ganloudina He, 1984
Gannanichthys Wang & Wang, 2000
Ganolepis Woodward, 1893
Ganolodus Owen, 1867
Ganopristodus Traquair, 1881
Ganosteus Rohon, 1902
Gansuichthys Wang, Wang, Zhang & Wang, 1998
Gantarostrataspis Wang Junqing & Wang Nianzhong, 1992
Gapparodus Abaimova, 1978
Gardineria Kazantseva-Selentseva, 1981
Gardinerichthys
Gareus Hubbs, 1915
Garganodon Costa, 1856
Garmanina Fowler, 1906
Garralepis Burrow, 2002
Gaseus de Serres, 1822
Gaspeaspis Pageau, 1969
Gasteracanthus Agassiz, 1833
Gasterocnemus Egerton, 1836
Gasteronemus Agassiz, 1833
Gasterostea Sauvage, 1874
Gastracanthus Agassiz, 1846
Gastraea Sauvage, 1874
Gastrodermus Cope, 1878
Gastrodon Agassiz, 1846
Gastrodus Owen, 1867
Gastrogonus Rafinesque, 1815
Gastronemus Agassiz, 1846
Gastropristis Eigenmann, 1915
Gastrosteops Shtuil'ko, 1934
Gastrus Gray, 1842
Gazolaichthys Blot & Tyler, 1990
Geisacanthus St. John & Worthen, 1875
Geitonichthys Wade, 1935
Gemuendenaspidae
Gemuendenaspis Miles, 1962
Gemuendolepis Gross, 1973
Geneion Troschel, 1856
Genghis Howes, 1984
Geniculatus
Gennadius Jordan & Seale, 1907
Geomichthys Sauvage, 1888
Geosauridae
Gephyrura Cope, 1891
Geptolepis Vorobyeva & Lebedev, 1986
Geraspis Pan & Chen, 1993
Gerdalepis Hoffmann, 1916
Gergobius Whitley, 1930
Germanobatos Müller & Diedrich, 1991
Gerronaspis Novitskaya, 1971
Gerteronemas Müller, 1845
Ghanan Forskål, 1775
Ghuizhouichthyosaurus
Gibbodon Tintori, 1980
Giebelodus Whitley, 1940
Giffonus Costa, 1862
Gigantichthys Dames, 1887
Gigantokranion Ruckert-Ulkumen, 1988
Gigantopterus Abel, 1906
Gigantoraptor
Gigantspinosaurus
Gigapteryx Forey, Lu, Patterson & Davies, 2003
Gignimentum Whitley, 1933
Gilbertella Waite, 1902
Gilchristia Jordan, 1907
Gilliodus Zangerl, 1981
Girellipiscis Whitley, 1931
Giscenchelys Fowler, 1944
Glabrobarbus Fowler, 1930
Glacialepis Märss, Wilson & Thorsteinsson, 2002
Gladbachus Heidtke & Krätschmer, 2001
Gladigondolella Müller, 1962
Gladiobranchus Bernacsek & Dineley, 1977
Glanis Rafinesque, 1818
Glaphyrodus Agassiz, 1845
Glaucolepis Stensiö, 1921
Glauertichthys Whitley, 1945
Glickmanodus Nessov, Mertiniene & Averianov, 1997
Glikmanius
Gloriella Schultz, 1941
Glossodon Rafinesque, 1818
Glossodus Costa, 1851
Glossoidaspis Branson & Mehl, 1931
Glossoplites Jordan, 1876
Glymmatacanthus St. John & Worthen, 1875
Glyphanodus Davis, 1883
Glyphisoma Cosmovici, 1887
Glyptaspis Newberry, 1890
Glyptoconus Kennedy, 1980
Glyptodontus Ji & Barnes, 1994
Glyptolaemus Huxley, 1859
Glyptoloemus Huxley, 1859
Glyptosteus Agassiz, 1844
Gnamptognathus Ziegler, 1959
Gnathacanthus Davis, 1883
Gnathagnoides Whitley & Phillipps, 1939
Gnathendalia Castelnau, 1861
Gnathobolus Schneider, 1801
Gnathocentrum Guichenot, 1867
Gnathodontidae
Gnathodus Pander, 1856
Gnathonotacanthus Fowler, 1934
Gnathoplax Myers, 1960
Gnathorhizidae
Gobatinus Ginsburg, 1953
Gobatus Ginsburg, 1932
Gobiatheriidae
Gobibagrus Sytchevskaya, 1986
Gobica Ginsburg, 1932
Gobiconodontidae
Gobicula Ginsburg, 1944
Gobiculina Ginsburg, 1944
Gobidus Ginsburg, 1953
Gobiex Ginsburg, 1932
Gobihiodon Sytchevskaya, 1986
Gobileptes Swainson, 1839
Gobioclinus Gill, 1860
Gobiohelpis Ginsburg, 1944
Gobiolepis Ginsburg, 1944
Gobiomoroides Lacepède, 1800
Gobionichthys Bleeker, 1860
Gobiopus Gill, 1874
Gobititan
Gogodipterus Long, 1992
Gogopiscis Gardiner & Miles, 1994
Gogosardina Choo, Long & Trinajstic, 2009
Gogosteus Long, 1994
Golshanichthys Lelièvre, Janvier & Goujet, 1981
Gomphacanthus Davis, 1884
Gomphodontidae
Gomphodus Reuss, 1846
Gompholepis Barrande, 1872
Gomphonchoporus Vergoossen, 1999
Gomphonchus Gross, 1971
Gonatodidae Gardiner, 1967
Gondolella Stauffer & Plummer, 1932
Gondolellidae
Gondolelloides Henderson & Orchard, 1991
Gondwanalepis De Pomer, 1994
Gondwania Bardashev, Weddige & Ziegler, 2002
Gondwanichthys Beltan, 1978
Gondwanodus Daymond, 1999
Gonellus Lafont, 1871
Goniobatis Le Hon, 1871
Goniodontus Ethington, 1959
Goniodus Newberry, 1890
Goniolepis Geinitz, 1868
Gonionarce Gill, 1862
Gonioperca Gill, 1863
Goniopus Agassiz, 1846
Gonipus Rafinesque, 1815
Gonodermus Rafinesque, 1815
Gonodolellidae
Gonopterus Gronovius, 1854
Gonorhynchops Cockerell, 1919
Gonostomyxus Macdonald, 1869
Gonurus Rafinesque, 1815
Goodradigbeeon White, 1978
Goodradigbeeonidae
Goodrichia Moy-Thomas, 1936
Goodrichthys Moy-Thomas, 1951
Gooloogongia Johanson & Ahlberg, 1998
Gosiutichthys Grande, 1982
Goujeteus Vezina, 1996
Goverdina Fåhraeus & Hunter, 1985
Gracilignathichthys Burgin, 1992
Gracilisuchidae
Graciloconus Pyle & Barnes, 2002
Grammatopleurus Gill, 1862
Granatodontus Chen & Gong, 1986
Grandisquamachela Fowler, 1934
Granulacanthus Hank, Wilson & Lindoe, 2001
Graphiurichthys White & Moy-Thomas, 1937
Graptolepis Agassiz, 1844
Grassator Kazantseva, 1968
Grazirrhinchus Desmarest, 1817
Grazosteus Gross, 1958
Grecarchopterus Mohsen, 1962
Greenwoodella Taverne & Ross, 1973
Greiserolepis Vorobyeva, 1977
Grenfellacanthus Long, Burrow & Ritchie, 2004
Grenfellaspis Ritchie, Wang Shitao, You & Zhang Guorui, 1992
Grenfellia Johanson & Ritchie, 2000
Griffinetta Whitley & Phillipps, 1939
Groenlandaspididae
Gronias Cope, 1864
Grossaspis White & Moy-Thomas, 1940
Grossilepis Stensiö, 1948
Grossius Schultze, 1973
Grossosteus White & Moy-Thomas, 1940
Grozonodon Cuny, Martin, Rauscher & Mazin, 1998
Grumantaspis Obruchev, 1964
Grypodon Hay, 1899
Gryponychidae
Guaibasauridae
Gualepis Wang Nianzhong, 1984
Guangxidella Zhang, 1991
Guangxipetalichthys Ji & Pan, 1997
Guanlingichthyosaurus
Guaperva Lacepède, 1802
Guaris Rafinesque, 1815
Guaymayenia Rusconi, 1946
Guayquicthys de Sáez, 1949
Guebucus Rafinesque, 1815
Guerichosteidae
Guerichosteus Tarlo, 1965
Guildayichthys Lund, 2000
Guimarota
Guiyu
Guizhoudella Wang & Wang, 1978
Guizhouniscus Liu, 2003
Guizhouprioniodus Zhou Xiyun, Zhai Zhiqiang & Xian Siyuan, 1981
Gulapinnus Langer, 1913
Gularus Whitley, 1940
Gullodus Kozur, 1993
Gumella Müller & Hinz, 1991
Gumnoclinus Gilbert & Burke, 1912
Gumuaspis Wang Junqing & Wang Nianzhong, 1992
Gunaspis Bystrow, 1959
Gunnellops Bleeker, 1874
Gurnardus Jordan & Evermann, 1898
Gurvanichthys Jakovlev, 1986
Gustavaspis Janvier, 1981
Gutturensis Sequeira & Coates, 2000
Gwyneddichtis Bock, 1959
Gymmatacanthus St. John & Worthen, 1883
Gymnepignathus Gill, 1863
Gymnobutis Bleeker, 1874
Gymnodus Delfortrie, 1871
Gymnoniscus Berg, 1936
Gymnosaurichthys Berg, 1940
Gymnotes Gill, 1864
Gymnotorpedo Fritsch, 1886
Gyracanthidae
Gyrace Jordan & Hannibal, 1923
Gyrinostomus Rochebrune, 1885
Gyrocalamus C.E. Weiss, 1884
Gyrodontidae
Gyrolepidoides Cabrera, 1944
Gyrolepidotus Rohon, 1889
Gyropeltus Rohon, 1893
Gyroplacosteus Obrutschev, 1930
Gyropristis Agassiz, 1843
Gyrosteus Morris, 1854
Gyrostris Agassiz, 1835
Gyrotrisauropus
Haasichthys Delsate, 1999
Habroichthyidae
Habroichthys Brough, 1939
Habrolepis Fitzinger, 1874
Habrolopis Fitzinger, 1874
Haddingodus Sweet & Bergström, 1962
Hadrodontidae
Hadrodontina Staesche, 1964
Hadrognathus Walliser, 1964
Hadrosteidae
Hadrosteus Gross, 1932
Hagenoselache Hampe & Heidtke, 1997
Hagryphus
Haizhoulepis Liu, Ma & Wang, 1987
Hakelia Woodward, 1942
Hakusanodon
Halamydae
Halaphya Günther, 1889
Halec Agassiz, 1834
Halecodon Cockerell, 1919
Halecoides Agassiz, 1834
Halecopis Agassiz, 1844
Halecula Jordan, 1925
Halex de Lacepède, 1803
Halias Ayres, 1860
Halicampoides Fowler, 1956
Halisauriceps Fowler, 1934
Hallecula Jordan, 1925
Hallopodidae
Halonodon Duffin, 1984
Halticosauridae
Hama Zhou, 1976
Hamarodus Viira, 1974
Hamatus Branson, 1930
Hamiltonichthys Maisey, 1989
Hammondella Gunnell, 1933
Hamulospina Lebedev, 2001
Hanilepis Wang & Dong, 1989
Hanyangaspididae
Hanyangaspis P'an & Liu, 1975
Hapalidae
Hapilaspis Mark-Kurik & Janvier, 1995
Haplacanthus Agassiz, 1845
Haplistia Cope, 1870
Haplocanthosauridae
Haplocentrus Agassiz, 1846
Haploclonus Regan & Trewavas, 1930
Haplodon Braun, 1840
Haplodontidae
Haplodontosaurus
Haplolepidae
Haplolepididae
Haplospondylus Cabrera, 1927
Haplozebrias Chabanaud, 1943
Haramyidae
Hariosteus Tarlo, 1965
Harpacanthus Traquair, 1886
Harpacodus Morris & Roberts, 1862
Harpactira Egerton, 1876
Harpage De Vis, 1884
Harpago Turner, 1982
Harpagodens Turner, 1983
Harpagofututor Lund, 1982
Harpaladae
Hassognathus Rhodes, Austin & Druce, 1969
Hastichthys Taverne, 1991
Hastina Yang & He, 1985
Hatcheritherium
Hatha Whitley, 1959
Hatumeus Matsubara, 1943
Hayia Jordan & Gilbert, 1919
Hayina Fowler, 1958
Haywardia Tanner, 1936
Hectoria Castelnau, 1873
Heimenia Orvig, 1969
Heintzaspis Strand, 1932
Heintzosteus Goujet, 1984
Helaspis Elliott, Dineley & Johnson, 2000
Helegymnosus
Helichthys Broom, 1909
Helicobranchus Hyrtl, 1854
Helicoprionidae
Heliodus Newberry, 1875
Heliolepis Geinitz, 1868
Helmerosteus Stensiö, 1963
Helmictis Rafinesque, 1810
Helminctis Bonaparte, 1841
Helminthichthys Agassiz, 1846
Helminthodes Gill, 1864
Helmintholepis Cockerell, 1919
Helminthosomus Bonaparte, 1841
Helminthostoma Günther, 1870
Helmolepis Stensiö, 1932
Helodontidae
Helodopsis Waagen, 1879
Helolepis Wells, 1944
Helops Brandt & Ratzeburg, 1833
Helotosoma Kaup, 1863
Hemantura Gray, 1842
Hemicalypterus Schaeffer, 1967
Hemicladodus Davis, 1884
Hemictenodus Jaekel, 1890
Hemiculturella Warpachowsky, 1887
Hemicyclolepis Geinitz, 1868
Hemicyclus Geinitz, 1868
Hemielopopsis Bassani, 1879
Hemiexocoetus Fowler, 1901
Hemigonolepis Geinitz, 1868
Hemigrammonannocharax Holly, 1930
Hemigrammopuntius Pellegrin, 1923
Hemilistrona Chauff & Dombrowski, 1977
Hemilopas Meyer, 1847
Hemimarsupium Kaup, 1853
Hemiplatystoma Bleeker, 1862
Hemipterois Regan, 1911
Hemiptychodus Jaekel, 1894
Hemirhamphos Minding, 1832
Hemirhizomolgula Oka, 1926
Hemisaurida Kner, 1867
Hemiscaphirhynchus Berg, 1911
Hemisciaena Bleeker, 1863
Hemiscyllum Richardson, 1843
Hemiteleaspis Westoll, 1945
Hemitrichas Peters, 1877
Henaniodus He & Pei, 1984
Hengnania Wang, 1977
Hennigia Ihering, 1927
Hensodon Kriwet, 2004
Hepatoscartes Fowler, 1944
Heptadiodon Bronn, 1855
Heptous Chin, 1934
Herasmius Orvig, 1969
Heraspis Afanassieva, 1991
Hercynolepis Gross, 1973
Herpetotheriidae
Herpichthys Agassiz, 1846
Hertzina Müller, 1959
Heslerodus Ginter, 2002
Hesperanthias Lowe, 1843
Heteracanthus Newberry, 1890
Heterdontoides
Hetererythrinus Günther, 1864
Heterobatis Noubhani & Cappetta, 1997
Heterobranchoides David, 1935
Heterobuglossus Chabanaud, 1931
Heterocarpa Lacaze-Duthiers & Delage, 1899
Heterocongeridopsisichnium Plicka, Nemcova & Siranova, 1990
Heterodontoides Gridina, 1991
Heterolepis Sergienko, 1974
Heteropetalus Lund, 1977
Heterophallina Hubbs, 1926
Heteroprosopon Bleeker, 1862
Heteroptychodus Yabe & Obata, 1930
Heterosteidae
Heterosteus Asmuss, 1856
Heterostrophus Wagner, 1859
Heterothrissa Gaudant, 1978
Heterothrissops Sauvage, 1875
Heterotilapia Regan, 1920
Heterotorpedo Ward, 1983
Heteroyunnanolepis Wang, 1994
Heuneus
Hexacanthus Nordmann, 1838
Hexapsephus Günther, 1876
Hexinlusaurus
Hiatula Lacepède, 1800
Hibbardellidae
Hibernaspididae
Hibernaspis Obruchev, 1939
Hildebrandella Nichols, 1950
Hildenaspis Janvier, 1976
Hilgendorfia Goode & Bean, 1895
Himalayella Gupta & Budurov, 1982
Hindeodelloides Huddle, 1934
Hindeodina Hass, 1959
Hindeodontoides Rexroad & Merrill, 1996
Hindeodus Rexroad & Furnish, 1964
Hipodys Rafinesque, 1810
Hippocephalus Swainson, 1839
Hippohystrix Whitley, 1940
Hipposauridae
Hippuris Walbaum, 1792
Hirsutodontus Miller, 1969
Hispanicus Jordan & Evermann, 1897
Hispidodontus Nicoll & Shergold, 1991
Histialosa Gervais, 1855
Histiocephalus De Zigno, 1890
Histiodella Harris, 1962
Histiodromus Gistl, 1848
Histionotophorus Eastman, 1904
Histriasaurus
Hitoichthys Herre, 1926
Hoburgilepis Blom, Märss & Miller, 2002
Hoelaspis Stensiö, 1927
Hoffstetterichthys Gayet, 1990
Hogbinia Whitley, 1929
Hohsienolepis Pan, 1978
Holacanthodes Beyrich, 1848
Holacentroides Pauca, 1931
Holcodon Gorjanovic-Kramberger, 1885
Holcolepis Marck, 1868
Holdenius Dunkle & Bungart, 1942
Hollardosteus Lehman, 1956
Holmacanthus Bardack, 1997
Holmesella Gunnell, 1931
Holocanthus Gray, 1831
Holocentroides Pauca, 1931
Holocentropsis Gaudant, 1969
Holocephali
Holochondrus Thiollière, 1854
Holodipteroides Pridmore, Campbell & Barwick, 1994
Holodipterus White & Moy-Thomas, 1940
Holodontus Rhodes, 1953
Holodus Agassiz, 1845
Holomeiacanthus Smith-Vaniz, 1976
Holonematidae
Holonodus Chabanaud, 1936
Holopetalichthys Koenen, 1896
Holopterygius Jessen, 1973
Holoptychiidae
Holosteus Agassiz, 1841
Holuridae
Holurus Traquair, 1881
Homacanthus Eichwald, 1860
Homalocephaleridae
Homalodus Davis, 1883
Homalophra van Hasselt, 1823
Homalopteroides Fowler, 1905
Homalorhynchus Van Beneden, 1873
Homeocoryphaenoides David, 1956
Homeognathodus Denkler & Harris, 1988
Homeoiranognathus Ritter, 1986
Homeomacrurus David, 1956
Homeonezumia David, 1956
Homodemus De Vis, 1884
Homodon Brisout de Barneville, 1846
Homoeolepis Wagner, 1860
Homoiranognathus
Homolenus Rafinesque, 1815
Homonotus Agassiz, 1850
Homorhynchus Van Beneden, 1873
Homostiidae
Homothorax Agassiz, 1845
Hongshanornis
Hopleacanthus Schaumberg, 1982
Hoplobrotuloides Schwarzhans, 1981
Hoplodus Etheridge, 1875
Hoplonchus Davis, 1876
Hoplopygus Agassiz, 1844
Hoplosternon Bleeker, 1862
Horaclupea Borkar, 1973
Horolodectes
Hostia Trewavas, 1962
Huabeisauridae
Huananaspididae
Huananaspis Liu, 1973
Huanghelepis Lu, 2002
Huanghetitanidae
Huaningichthys Wang & Wang, 1999
Huashia Chang & Chow, 1974
Huayuanodontus Dong & Bergstrom, 2001
Hubeiodus
Huddlella Mashkova, 1979
Hueneichthys Reif, 1977
Hughichthys Schultz, 1943
Hulettia Schaeffer & Patterson, 1984
Humefordia Whitley, 1931
Humilgondolella Wang & Dai, 1983
Humilichthys Gaudant, 1978
Hunanacanthus Liu, 1997
Hunangnathus Dong Xiping, 1990
Hunanognathus Zuo, 1982
Hunanohelicoprion Liu, 1994
Hunanolepis Pan & Tzeng, 1978
Hungkiichthys Liu & Wang, 1961
Hunsruckia Traquair, 1903
Hupehsuchidae
Hussakofiidae
Huttonichthys Whitley, 1937
Hwangsanipes Yang, Lockley, Greben, Erickson & Lim, 1995
Hyalonema Traustedt, 1887
Hyalosoma Wagner, 1885
Hybocharax Géry & Vu-Tân-Tuê, 1963
Hybocladodus St. John & Worthen, 1875
Hybodonchus Fraas, 1889
Hybodontidae Owen, 1846
Hybodopsis Barkas, 1878
Hybosteus Gross, 1933
Hycca Heckel, 1847
Hydrocionichthys Travassos, 1952
Hydropessum Broom, 1909
Hygrogonus Günther, 1862
Hyllingea Aldinger, 1937
Hylomyzon Agassiz, 1855
Hymenelomus Duméril, 1870
Hymenolomus Duméril, 1870
Hyodus Ni, 1983
Hyomacrurus Gilbert & Hubbs, 1920
Hyoproprus Kölliker, 1853
Hypamia Leidy, 1873
Hypanus Rafinesque, 1818
Hypargyrus Gilbert, 1885
Hyperia Thomson, 1968
Hyperistius Gill, 1864
Hyperphotops Fraser-Brunner, 1949
Hypocaranx Klunzinger, 1884
Hypodis Rafinesque, 1810
Hypoholus Cope, 1870
Hypohomus Cope, 1870
Hypolophites Leriche, 1913
Hypolophodon Cappetta, 1980
Hypoplites Gill, 1863
Hypoprionodon Gill, 1861
Hyposerranus Klunzinger, 1884
Hypospondylus Jaekel, 1911
Hyproctomus Rafinesque, 1814
Hypsiptera Günther, 1860
Hypsirhophidae
Hypsodon Agassiz, 1837
Hypsospondylus Gorjanovic-Kramberger, 1885
Hyptius Costa, 1864
Hyrcanaspis Janvier & Jiang, 1982
Iansan Brito & Seret, 1996
Iapetognathus Landing, 1982
Iapetonudus Nicoll, Miller, Nowlan, Repetski & Ethington, 1999
Iberolepis Mader, 1986
Iburina Jordan & Hubbs, 1925
Icadyptes
Icanodus Miller, 1892
Ichtelis Rafinesque, 1820
Ichthelis Rafinesque, 1820
Ichthycallus Bonaparte, 1841
Ichthyoceros Gayet, 1984
Ichthyocolla Agassiz, 1846
Ichthyocoprus Buckland, 1829
Ichthyodectidae
Ichthyodorulites Bronn, 1848
Ichthyoidichnites Ami, 1900
Ichthyokentema Woodward, 1941
Ichthyokentemidae
Ichthyolithus Germar, 1826
Ichthyopatolites Buckland, 1843
Ichthyopodolites Buckland, 1844
Ichthyopogon Agassiz, 1846
Ichthyorhynchus Bellotti, 1857
Ichthyosauroides Kutorga, 1837
Ichthyotringa Cope, 1878
Ichthypriapus Hibbard, 1942
Ichtycollus Swainson, 1839
Icriodella Rhodes, 1953
Icriodellidae
Icriodina Branson & Branson, 1947
Icriodontidae
Icriognathus Mannik, 1992
Icriospathodus Krahl, Kaufmann, Kozur, Richter, Foerster & Heinritzi, 1983
Ictaetus Rafinesque, 1815
Icthycallus Swainson, 1839
Ictias Rafinesque, 1815
Ictinocephalus Page, 1859
Ictiopogon Rafinesque, 1815
Idadon Smith, 1975
Idiognathodontidae
Idiognathodus Gunnell, 1931
Idiognathoides Harris & Hollingsworth, 1933
Idioprioniodus Gunnell, 1933
Idrissia Arambourg, 1955
Iekelotodus Menner, 1928
Iemenja Wenz, 1989
Ierboidae
Igecepeia Gaemers, 1981
Ignotornidae
Igomichthys Heyler, 1969
Igornella Heyler, 1969
Iguanobrycon Gery, 1970
Iguanodonichnus
Iguanodontipus Sarjeant, Delair & Lockley, 1998
Ikechaoamia Liu, 1961
Ilictis Rafinesque, 1820
Iljinia de Buen, 1931
Illiniichthys Schultze & Bardack, 1987
Illoganellia Märss, Wilson & Thorsteinsson, 2002
Ilyichthys Agassiz, 1846
Imogaster Costa, 1857
Incaichthys Gayet, 1990
Incisidens Gill, 1863
Incislabeo Fowler, 1937
Incisoscutidae
Incisoscutum Dennis & Miles, 1981
Indaginilepis Schultze, 1970
Indialosa Herre & Myers, 1931
Indomanta Whitley, 1936
Infratridens Schultz, 1944
Infundibulatus Menon, 1987
Ingeniidae
Inichthys Kazantseva-Selezneva, 1979
Iniomus David, 1946
Iniopera Zangerl & Case, 1973
Iniopterygidae
Iniopteryx Zangerl & Case, 1973
Inioxyele Zangerl & Case, 1973
Insopiscis Whitley, 1933
Insularigobius Watson, 1991
Ioamia Fowler & Bean, 1930
Ionoscopidae
Iotaraia Jordan, 1925
Iowadipterus Schultze, 1992
Iquius Jordan, 1919
Irajapintoseidon Beltan, 1990
Iranognathus Kozur, Mostler & Rahimi-Yazd, 1975
Iranorhynchus Janvier & Martin, 1978
Iranosauripus
Iredalella Whitley, 1931
Irifera Jordan, 1927
Irillion Jordan, 1919
Irregulareaspididae
Irregulareaspis Zych, 1931
Isaciella Jordan & Fesler, 1894
Isarcicella Kozur, 1975
Ischnacanthidae Woodward, 1891
Ischnolepis Haughton, 1934
Ischyodon Agassiz, 1843
Ischyrocephalus Marck, 1858
Isethes Jordan & Gilbert, 1882
Ishaquia Noubhani & Cappetta, 1995
Isidobatus Werner, 1989
Ismene Bogachev, 1936
Isochirotherium
Isocolum Egerton, 1868
Isodendracanthus Valyukyavichyus, 1979
Isodus Heckel, 1849
Isognatha Gill, 1861
Isomma Jordan, 1927
Isopholis Zittel, 1887
Isoplagiodon Gill, 1862
Isoplagipdus Gill, 1862
Isotaenia Cope, 1875
Istorinus Knupfer, 1967
Itaiara Vaillant & Bocourt, 1878
Itaparica da Silva Santos, 1986
Itapyrodus da Silva Santos, 1990
Itararichthys Beltan, 1978
Itemiridae
Itsukisauropus
Ivanelepis Karatajute-Talimaa, 1997
Ixobatis Noubhani & Cappetta, 1995
Jaccanidae
Jacquhermania Cappetta, 1982
Jaculator Schlosser, 1765
Jaekelaspis Heintz, 1929
Jagorina Jaekel, 1821
Jalodontidae
Jamoytiidae
Jamsus Ginsburg, 1937
Janassidae
Janiosteus Ivanov, 1988
Japanopsychrolutes Nojima, 1936
Jarvikia Lehman, 1959
Jarvikina Vorobyeva, 1977
Jaufolepis Forey, Young & McClure, 1992
Jerulalepis Burrow, 1996
Jessenia Otto & Bardenheuer, 1996
Jesslepis Turner, 1995
Jhingrania Misra & Saxena, 1964
Jialingichthys Su Dezao, 1983
Jianghanichthys Lei, 1987
Jiangshanodus Yue, 1989
Jiangxilepis Zhang & Liu, 1991
Jiaohichthys Ma Fengchen, 1983
Jilingichthys Zhou, 1976
Jimpohlia Zangerl, 1979
Jinanichthys Ma & Sun, 1988
Jingshanosaurus
Jiuchengia Wang & Wang Nianzhong, 1983
Joenielsenia Schwarzhans, 1981
Johnognathus Mashkova, 1977
Juanognathus Serpagli, 1975
Jumudontus Cooper, 1981
Kadunglelepis Burrow, 1996
Kailidontus Zhou Xiyun, Zhai Zhiqiang & Xian Siyuan, 1981
Kallidontus Pyle & Barnes, 2002
Kallostrakon Lankester, 1870
Kalodontidae
Kalyptochromis van Couvering, 1982
Kamuellerella Gedik, 1975
Kannathalepis Märss & Gagnier, 2001
Kansanus Jordan, 1925
Kansasia Poplin, 1974
Kansasiella Poplin, 1975
Kapparaia Leigh-Sharpe, 1926
Kapurdia Tiwari, 1969
Karaunguria Kazantzeva, 1974
Karelosteus Obrutschev, 1933
Karksilepis Märss, 2008
Karongasaurus
Kashmirella Budurov, Sudar & Gupta, 1988
Kathemacanthus Gagnier & Wilson, 1996
Katoporodidae Märss, Wilson & Thorsteinsson, 2002
Kaupia Smith, 1963
Kawalepis Wang & Dong, 1989
Kazanichthys Esin, 1995
Keichousauridae
Keislognathus Rhodes, 1955
Kellia Kazantseva-Selezneva, 1980
Kemtichthys Joleaud, 1934
Kenderlichthys Kazantzeva-Selezneva, 1977
Kendrickichthys Dennis & Miles, 1980
Kendrickthyidae
Kenoza Jordan & Evermann, 1896
Kentrosauridae
Kentuckiidae
Kerocottus Smith, 1975
Ketinella Gedik, 1975
Kharmerungulatum
Kiaeraspididae
Kiaeraspis Stensiö, 1927
Kiangsuaspis P'an, 1962
Kiangyousteus Liu, 1955
Kielcelepis Dzik, 2002
Kiinkerishia Sytchevskaya, 1986
Kijacus Missarzhevskij, 1981
Kimaspis Mark-Kurik, 1973
Kimberia Dennis-Bryan & Miles, 1983
Kimberleyichthys Dennis-Bryan & Miles, 1983
Kimberleyleotris Hoese & Allen, 1987
Kimognathus Mashkova, 1978
Kipalaichthys Casier, 1965
Kipalelops Taverne, 1976
Kirgisolepis Panteleyev, 1992
Kirkella Gunnell, 1933
Kladognathus Rexroad, 1958
Klamathella Miller, 1945
Klapperilepis Dzik, 2002
Klapperina Lane, Müller & Ziegler, 1979
Kleinpellia David, 1946
Klephtes Gistl, 1848
Klunzingerina Fowler, 1931
Knerialepis Hanke & Karatajute-Talimaa, 2002
Knipovitschia Iljin, 1927
Kockelella Walliser, 1957
Kockelellidae
Koharalepis Young, Long & Ritchie, 1992
Koinichthys Esin, 1995
Koladae
Kolpaspis Pageau, 1969
Kolymaspididae
Kolymaspis Bystrow, 1956
Kompasia Bender, 2002
Konopickia Whitley, 1937
Koonwarriidae
Korutichthys Kazantseva-Selezneva, 1980
Kosoraspis Gross, 1959
Kostera Gmelin, 1774
Kotlarczykia Jerzmanska, 1974
Kotlassidae
Koumansiasis Visweswara Rao, 1967
Kowalewskaia Fol, 1872
Kowalewskia Fol, 1874
Krambergeria Simionescu, 1904
Krasnoyarichthys Prokofiev, 2002
Krefftia Parr, 1960
Kreyenhagenius David, 1946
Krohnius Cocco, 1844
Krzyzanowskisaurus
Kuangyuanpus
Kueichowlepis P'an & Wang, 1975
Kuertus Bloch, 1786
Kujdanowiaspididae Berg, 1955
Kujdanowiaspis Stensiö, 1942
Kunmingolepis Liu Yuhai & Wang Junqing, 1981
Kunminia
Kureykaspis Novitskaya, 1968
Kuwajimasauropus
Kwangnanaspis Cao Renguan, 1979
Kwangoclupea Taverne, 1997
Kwangodercetis Casier, 1965
Kymatolepis Geinitz, 1868
Kymatopetalolepis Geinitz, 1868
Labeova Whitley, 1950
Labidorhamphus Fowler, 1905
Labio Swainson, 1839
Labodus Davis, 1883
Labristoma Swainson, 1839
Labristomus Swainson, 1839
Labroblennius Borodin, 1928
Labroperca Gill, 1862
Labrostoma Agassiz, 1846
Labyrinthodontosaurus Barkas, 1871
Lacazilla Pruvot-Fol, 1930
Lachneria Smith, 1954
Lacinia Selenka, 1867
Lacrimolycus Andriashev & Fedorov, 1986
Laeliichthys da Silva Santos, 1985
Laephichthys Ogilby, 1916
Laeviraja Bonaparte, 1838
Laevirajia Bonaparte, 1838
Lagarodus Jaekel, 1898
Lagomyidae
Lagostomyidae
Lagovilepis Dzik, 2002
Lahiliella Eigenmann, 1903
Laidleriidae
Laimingia David, 1946
Laimumena Sauvage, 1884
Lairdina Fowler, 1953
Laiwugnathus An Tai-xiang & Tai-xiang, 1982
Laiwunodus Wu, Yao & Ji, 2004
Laliacanthus Karatajute-Talimaa, 1986
Lambdagnathus Rexroad, 1958
Lambdodus St. John & Worthen, 1875
Lambeichthys Lehman, 1957
Lambertichthys Whitley, 1938
Lamiaspis Ilyes & Elliott, 1994
Laminignathella Ji Qiang, 1987
Laminospondylus Springer, 1957
Lamnarius Whitley, 1943
Lamnodus Agassiz, 1844
Lampedra Razoumowsky, 1789
Lamplughsaura
Lampraspis Denison, 1970
Lamprocheirodon Gèry, 1960
Lamprotolepis Vorobyeva, 1977
Lanceabarbus Fowler, 1936
Landinia Bannikov & Sorbini, 2000
Lanea Murphy & Valenzuela-Rios, 1999
Langdenia Janvier & Phuong, 1999
Lanrentaspis Pageau, 1969
Laomeda Rafinesque, 1815
Larimodon Bleeker, 1876
Lariosauridae
Larnovaspis Blieck, 1984
Larvicampus Whitley, 1948
Lasaniidae
Lastroichthys Schaeffer, 1947
Lateralonchodina Zhao, 1984
Latericriodus Müller, 1962
Laterignathus
Lathargus Walbaum, 1792
Latignathus Tian, 1983
Latirhynchus Stinton, 1965
Latirostraspis Wang, Xia & Chen, 1980
Latocamurus Long, 1988
Latrunculodes Collett, 1875
Latviacanthus Schultze & Zidek, 1982
Lauaspis Stensiö, 1958
Laurentaspis Pageau, 1969
Laurentoscandodus Landing, 1996
Lavaretus Jarocki, 1822
Lavocatodus Martin, 1995
Lawniidae
Lawrenciella Poplin, 1984
Laxaspis Liu, 1975
Lebachacanthus Soler-Gijon, 1997
Lebistes Smitt, 1899
Lebrias Schinz, 1822
Lecaniaspis Novitskaya, 1971
Lecracanthus St. John & Worthen, 1875
Lectavis
Leedsia Woodward, 1889
Legendrelepis Arsenault & Janvier, 1991
Leguminella He, 1985
Lehahichnus
Lehmanamia Casier, 1966
Lehmanichthys Blot & Tyler, 1990
Lehmanophorus Gaudant, 1978
Lehmanosteus Goujet, 1984
Leiacanthus Agassiz, 1837
Leidybatis Cappetta, 1986
Leighiscus Wade, 1953
Leihala Jordan, 1925
Leioderma Stensiö, 1918
Leiodus St. John & Worthen, 1875
Leiognathus Ni, 1984
Leiomene Gupta & Yazdani, 1976
Leiopsis Bennett, 1830
Leiosphen Agassiz, 1843
Leiosteidae
Leiosteus Gross, 1932
Lekanichthys Brough, 1934
Lembeichthys Herre, 1936
Lembicus Jordan, 1925
Lenacanthidae Karatajute-Talimaa & Smith, 2003
Lenaeodus Abaimova, 1984
Lenodus Sergeeva, 1963
Leobergia Shtuil'ko, 1934
Leoniscus Bonaparte, 1841
Leonodus Mader, 1986
Lepacanthus Arthaber, 1896
Lepadolepis White & Moy-Thomas, 1940
Lepemiurus Rafinesque, 1832
Lepicantha Rafinesque, 1815
Lepidacanthus Agassiz, 1846
Lepidaspidae
Lepidopides Heckel, 1849
Lepidopristis Fowler, 1944
Lepidorbidus Fowler, 1929
Lepidosaurus von Meyer, 1830
Lepidosteidae
Lepidotyle Meunier & Gayet, 1992
Lepisacanthus Lacepède, 1802
Leporinops Gèry, 1960
Lepracanthus Egerton, 1841
Leprogaster Fraser-Brunner, 1941
Leptacantholepidus David, 1956
Leptacanthus Agassiz, 1837
Leptecodon Williston, 1899
Lepterus Rafinesque, 1810
Lepthaemulon Fowler & Bean, 1923
Leptichthys Stewart, 1899
Leptocheles M'Coy, 1853
Leptochirognathus Branson & Mehl, 1943
Leptochirum
Leptodactyla
Leptodes Swainson, 1838
Leptogadus Gill, 1864
Leptogaster Bleeker, 1872
Leptogenichthys Wade, 1935
Leptogobius Bleeker, 1874
Leptogrammatolepis Geinitz, 1868
Leptokyphosus Whitley, 1931
Leptolaeops Fowler, 1934
Leptolepidae Nicholson & Lydekker, 1889
Leptolepides Nybelin, 1974
Leptolepididae Nicholson & Lydekker, 1889
Leptoligoplites Fowler, 1944
Leptometopon Smith, 1940
Leptomylus Cope, 1869
Leptoperca Gill, 1862
Leptopodus Schinz, 1822
Leptosoma Nardo, 1827
Leptosteidae
Leptosteus Jaekel, 1919
Lericheaspis Zych, 1931
Lestichthys Jordan, 1921
Lestrodus Obruchev, 1953
Leucabramis Smitt, 1895
Leucichthyops Cockerell, 1919
Leucops Rafinesque, 1819
Leukorhinion Landing, 1996
Leurodus Branson & Mehl, 1938
Leutorhinion
Levesquaspis Arsenault & Janvier, 1995
Levisosteus Otto, 1998
Levnesovia
Lewisia Davis, 1887
Lewistownelia Scott, 1942
Liacanthus Agassiz, 1846
Lianhuashanolepis Pan & Wang, 1978
Liaoxiichthys Su Dezao, 1992
Liassolepis Jaekel, 1929
Lichiites Fritsch & Bayer, 1905
Licrotaxis Chauff, 1983
Lietuvacanthus Valiukevicius, 1998
Ligonodina Ulrich & Bassler, 1926
Ligonodinoides Stauffer, 1938
Ligulalepis Schultze, 1968
Ligulella de Saint Seine, 1955
Liivilepis Blom, Märss & Miller, 2002
Lijiangichthys Wang, 2003
Likhoeletherium
Lillaspis Novitskaya, 1972
Limiculina Fowler, 1908
Limnocyonidae
Limnomis Daeschler, 2000
Limnoselache Schneider, 1986
Limusaurus
Linguipolygnathus Bardashev, Weddige & Ziegler, 2002
Liocaesio Bleeker, 1875
Liocornus Tortonese, 1939
Liognathus Newberry, 1873
Liomonacanthus Bleeker, 1866
Lioniscus Heckel & Fitzinger, 1836
Lioperca Gill, 1863
Liosphen Agassiz, 1846
Lipactis Regan, 1925
Liparius Rafinesque, 1815
Liparoides Lloyd, 1909
Liparops Garman, 1892
Lipomyzon Cope, 1881
Lisboasaurus
Lisgodus St. John & Worthen, 1875
Lispacanthus Davis, 1883
Lispognathus Miller, 1892
Lissochilichthys Oshima, 1920
Lissolepis Davis, 1884
Lissoprion Hay, 1907
Lissorhynchos Bleeker, 1860
Lissorhynchus Bleeker, 1860
Listraspis Denison, 1964
Litanchus Smith, 1959
Lithichthys Cope, 1870
Lithoblennius Bath, 1978
Lithocarcharias Eichwald, 1819
Litholophius Eichwald, 1819
Lithopoecilus Beaufort, 1934
Lithotrygon Eichwald, 1819
Litilpetalichthyes
Litocara Bailey, 1948
Litoptychus Denison, 1951
Litotaspis Novitskaya, 1971
Liujiangolepis Wang Shitao, 1987
Livoniana Ahlberg, Luksevics & Mark-Kuric, 2000
Livosteus Obrucheva, 1962
Lixagasa Scott, 1936
Llandoverygnathus Walliser, 1972
Lobalopex
Lobodus Costa, 1866
Lobognathus Agassiz, 1859
Lochmocercus Lund & Lund, 1984
Lochriea Scott, 1942
Lodeacanthus Upeniece, 1996
Loganelliidae
Lohsania Thomson & Vaughn, 1968
Lomanetia Whitley, 1936
Lombardina de Saint Seine, 1955
Lompochites Jordan, 1920
Lonchidiidae Herman, 1977
Lonchodectidae
Lonchodina Bassler, 1925
Longdeichthys Liu Zhicheng, 1982
Longileptolepis Arratia, 2003
Longirostravisidae
Longisquamidae
Lopadaspis Wang, Wang, Wang & Zhang, 2002
Lophacanthus Stock, 1880
Lophaspis Brotzen, 1934
Lophaspiscis Whitley, 1951
Lophiopsetta Norman, 1934
Lophiopsis Guichenot, 1867
Lophiurus Vetter, 1881
Lophobatis Cappetta, 1986
Lophocampus Dawson, 1984
Lophodus Symonds, 1861
Lopholepis Pander, 1856
Lophoprionolepis Geinitz, 1868
Lophorhinus
Lophosteus Pander, 1856
Lophostracon Lankester, 1884
Lophotopsis Barnard, 1925
Loricopteraspis Tarlo, 1961
Lotimorpha Danil'chenko, 1950
Lourinhanosaurus
Loxodentatus Ji & Barnes, 1994
Loxodus Furnish, 1938
Loxognathodus Ji & Barnes, 1994
Loxostomus Agassiz, 1845
Luciotrutta Günther, 1866
Lucoscombrus Van der Hoeven, 1850
Lucoscombus van der Hoeven, 1855
Lucyprinus Zhou Jiajian, 1990
Luederia Schaeffer & Dalquest, 1978
Luetkeichthys Bystrow, 1957
Lugalepis Karatajute-Talimaa, 1997
Luganoia Brough, 1939
Luganoiidae
Luisichthys White, 1942
Luisiella Bocchino, 1967
Lumidens Ethington, Droste & Rexroad, 1986
Lunalepis Mader, 1986
Lundodus Bagnoli & Stouge, 1997
Lungmenshanaspis P'an & Wang, 1975
Lunicauda Whitley, 1947
Lupopsyrus Bernacsek & Dineley, 1977
Luquanolepis Zhang Guorui & Young, 1992
Luspia Costa, 1864
Luxilites Jordan, 1925
Lychnophora Fraser-Brunner, 1949
Lycocara Gill, 1884
Lycoclupea Gowda, 1967
Lycodophis Vailant, 1888
Lycodus Quenstedt, 1856
Lycoptera Müller, 1848
Lycopteridae
Lygisma Jordan & Gilbert, 1919
Lyhoalepis Tong-Dzuy, Janvier & Doan-Nhat, 1994
Lymnobelus Agassiz, 1867
Lyocetus Günther, 1887
Lyra Gouan, 1770
Lyragalaxias Whitley, 1935
Lyrichthys Kaup, 1873
Maccullochina Jordan, 1922
Macelognathidae
Macerodus Fåhraeus & Nowlan, 1978
Macfadyena van Couvering, 1982
Machaera Cuvier, 1832
Machaeracanthus Newberry, 1857
Machaerius Rouault, 1858
Machaerochilus Fitzinger, 1874
Machaerognathus Hussakof & Bryant, 1919
Machairaspis Janvier, 1985
Machoera Haldeman, 1842
Machoiranus Bosc, 1817
Machrochirus Swainson, 1839
Macleayina Fowler, 1908
Macracara Woodward, 1939
Macraulostomus Blot, 1981
Macroaethes Wade, 1932
Macrobrachius Hoffmann, 1916
Macrochyrus Swainson, 1839
Macrodonophis Poey, 1868
Macrodontacanthus Romer, 1942
Macrogryphosaurus
Macrolepis Marck, 1863
Macronoides White, 1934
Macronotothen Gill, 1861
Macropetalichthyidae
Macropetalolepis Geinitz, 1868
Macropoda
Macropolygnathus Cooper, 1939
Macropterobagrus Nichols, 1925
Macrorhincus Bosc, 1803
Macrorhipis Wagner, 1859
Macrorhizodon Sokolov, 1965
Macrosemiocotzus Gonzalez-Rodriguez, Applegate & Espinosa-Arrubarrena, 2004
Macrostomoides Fowler, 1958
Macrotarsi
Maenas Walbaum, 1792
Maenichthys Bleeker, 1876
Mafdetia Werner, 1989
Magnilaterella Rexroad & Collinson, 1963
Mahalalepis Young, Long & Ritchie, 1992
Maideria Lelièvre, 1995
Majokia de Saint Seine, 1955
Malacobagrus Bleeker, 1862
Malacobatis Gratzianow, 1907
Malaygnathus Igo, Koike & Yin, 1965
Malerosteus Kulczycki, 1957
Malutitetrasauropodiscus
Mamenchisauridae
Mamillodus Abaimova, 1983
Mammalia Linnaeus, 1758
Manasichthys Su, 1980
Manbrookia Blom, Märss & Miller, 2002
Manchurichthys Saito, 1936
Mandageria Johanson & Ahlberg, 1997
Mangischlakia Zhelezko, 1989
Manlietta Wade, 1935
Mansfieldiscus Long, 1988
Manticolepis Müller, 1956
Maotherium
Maplemillia Gross, 1973
Maraena Jarocki, 1822
Marambionella Jerzmanska, 1991
Margaritacanthus White & Moy-Thomas, 1940
Mariana Quoy & Gaimard, 1825
Markacanthus Valyukyavichyus, 1985
Marlina Hirasaka & Nakamura, 1947
Marmoratalepis Sergienko, 1974
Maroubrichthys Parin, 1992
Marquesia Schaeffer, 1990
Marsdenius Wellburn, 1902
Martinavis
Martinichthys McClung, 1927
Marubecula Whitley, 1950
Mascalongus Jordan, 1878
Mashkovia Aristov, Gagiev & Kononova, 1983
Mastibarbus Tang, 1942
Masticetus Gray, 1842
Mastigophorus Kaup, 1873
Maturacus Rafinesque, 1815
Mauchchunkiidae
Maugeclupea Whitley, 1932
Mauritanichthys Martin, 1980
Maurylepis Blom, Märss & Miller, 2002
Maxakalisaurus
Maxillingua Rafinesque, 1818
Mazodus Newberry, 1890
Mcconichthys Grande, 1988
Mcnamaraspis Long, 1995
Mebarus Matsubara, 1943
Mediaspis Heintz, 1929
Medipellona Jordan & Seale, 1926
Medoevia Lebedev, 1995
Megabatus Rafinesque, 1815
Megalancosauridae
Megalepis Bianconi, 1857
Megalepocephalus Fowler, 1934
Megalodon Agassiz, 1835
Megalolepis Gorjanovic-Kramberger, 1879
Megalopes Risso, 1820
Megalopharynx Brauer, 1900
Megaloplax Obrutschev, 1933
Megalopteryx Trautschold, 1890
Megalopus Risso, 1820
Megalosauri
Megalurites Costa, 1840
Megaperleidus Sytchevskaya, 1999
Megapharynx Legendre, 1942
Megapteriscus Wade, 1935
Megarhinus Rafinesque, 1820
Megaselachus Glikman, 1964
Megistopus Landois, 1894
Meidiichthys Brough, 1931
Meisenheimichthys Schindler, 2004
Meishanaspis Wang, 1991
Mekolepis Newberry, 1858
Melanecta Coates, 1998
Melanichthys Agassiz, 1846
Melanictis Rafinesque, 1815
Melaniscus
Melanoacanthus Cumbaa & Schultze, 2002
Melanocotus Günther, 1864
Melanognathus Jarvik, 1967
Melanonectes Regan & Trewavas, 1930
Melanosteum Rafinesque, 1815
Melanosteus Lelièvre & Goujet, 1987
Melanychthys Temminck & Schlegel, 1844
Melbanella Whitley, 1937
Melettina Rzehak, 1881
Melittomalepis Pander, 1856
Memarchus Duméril, 1856
Membranichaeta Pyankovskii, 1989
Menaspacanthus Patterson, 1965
Mendocinia Bordas, 1944
Mendocinichthys Whitley, 1953
Meniscotheridae
Menosteus Jaekel, 1919
Menthula Leach, 1852
Mentzichthys Jubb, 1965
Merabatis Cappetta, 1983
Merglangus Fleming, 1822
Meridensia Andersson, 1921
Meristodon Sauvage, 1883
Merlangus Rafinesque, 1810
Merlinus Agassiz, 1845
Merou Bonaparte, 1831
Merra Swainson, 1838
Merriamella Jordan, 1907
Merrillina Kozur, 1975
Merrus Swainson, 1838
Merus Poey, 1874
Mesacanthidae
Mesembroniscus Wade, 1935
Mesobatis Leidy, 1855
Mesochaetodon Mauge & Bauchot, 1984
Mesoclupea Ping & Yen, 1933
Mesocyprinus Cheng, 1950
Mesodmodus St. John & Worthen, 1875
Mesogaster Agassiz, 1835
Mesogomphus Davis, 1883
Mesogondolella Kozur, 1989
Mesolepis Young, 1866
Mesolophodus Woodward, 1889
Mesomisgurnus Fang, 1935
Mesonichthys Gardiner, 1963
Mesopetalichthys Jaekel, 1911
Mesopodus Rafinesque, 1815
Mesopoma Traquair, 1890
Mesoscorpia Eschmeyer, 1969
Mesosuchidae
Mesotaxis Klapper & Philip, 1972
Mesozygaena Compagno, 1988
Mestognathidae
Mestognathus Bischoff, 1957
Mesturidae Nursall, 1996
Mesturus Wagner, 1859
Metacanthurus Blot & Tyler, 1990
Metallites Schulze, 1890
Metapolygnathus Hayashi, 1968
Metaprioniodus Huddle, 1934
Metaspisurus Blot & Tyler, 1990
Metaspriggina Simonetta & Insom, 1993
Metatetrapous
Metaxyacanthus Obruchev, 1964
Metopacanthus Zittel, 1887
Metoponichthys Gorjanovic-Kramberger, 1882
Metrascus Haeckel, 1896
Metzelaaria Jordan, 1923
Michrochiropsis Chabanaud, 1956
Micraseites
Micristius Gill, 1865
Microanacorax Gluckman, 1979
Microbarbus Géry, 1957
Microbrachiidae
Microbrachium Woodward, 1891
Microbrachius Traquair, 1888
Microcephalocongrus Fowler, 1934
Microceratodus Teixeira, 1954
Microcharax Eigenmann, 1909
Microchirichthys Regan & Trewavas, 1930
Microconger Fowler, 1912
Microconodus Traquair, 1888
Microcosmodontidae
Microdorhynchus Steinmann, 1927
Microdus Emmons, 1857
Microgadiculus Schwarzhans, 1978
Microgaster Swainson, 1839
Microgrammatolepis Geinitz, 1869
Microhaplolepis Lowney, 1980
Microlepidalestes Hoedeman, 1951
Micromesus Gill, 1867
Micropetalolepis Geinitz, 1868
Microphallus Herre, 1926
Microphymaspis Wang, Wang, Zhang, Wang & Zhu, 2002
Micropycnodon Hibbard & Graffham, 1945
Microsaurops
Microscoma Deshayes, 1826
Microspondylus Agassiz, 1844
Microsteus Gross, 1932
Microstriatolamia Zhelezko, 1989
Microsyngnathus Herald, 1959
Microtrigla Kaup, 1873
Microzarkodina Lindstrom, 1971
Microzeus Blyth, 1860
Miheichthys Zhou Jiajian, 1990
Mikroumbra Reichenbacher & Weidmann, 1992
Millerosteus Stensio, 1959
Milosaurus
Mimetaspis Stensiö, 1958
Mimia Gardiner & Bartram, 1977
Mimiidae
Mimocubiceps Fowler, 1944
Mimoperca Gill & Jordan, 1877
Mingotheriidae
Minicrania Zhu & Janvier, 1996
Miniculus Rafinesque, 1817
Miniellus Jordan, 1888
Minimodus Rasmussen, 2001
Minioracanthus Valyukyavichyus, 1985
Minisauripus Zhen, Li, Zhang, Chen & Zhu, 1995
Ministrella Kazantseva, 1968
Mioganodus Owen, 1867
Miothunnus Deinse, 1953
Mischominatus Chabanaud, 1938
Misikella Kozur & Mock, 1974
Mitchillina Jordan & Evermann, 1896
Mitinolepis Sergienko, 1974
Mitrellataxis Chauff & Price, 1980
Mitrellotaxis
Mitrodus Owen, 1867
Mixine Bruguière, 1791
Mixoconus Sweet, 1955
Mixogrammatolepis Geinitz, 1868
Mizia Zhu, 1996
Mjollnirulus Lund, 1968
Mockina Kozur, 1990
Modigliania Perugia, 1893
Moebia Goode & Bean, 1895
Moenkopia Schaeffer & Gregory, 1961
Molapopentapodiscus
Molinichthys Gayet, 1982
Molobrosichthys Ameghino, 1893
Molybdichthys Wade, 1935
Monesedeiphus Beltan, 1990
Mongolepis Karatajute-Talimaa & Novitskaya, 1990
Mongoliacus Missarzhevskii, 1977
Mongolodus Missarzhevskii, 1977
Mongoloperca Sytcheskaya, 1989
Monniotia Varol & Houghton, 1996
Monoceros Lacepède, 1798
Monochir Agassiz, 1831
Monocladodus Claypole, 1893
Monocostodus Miller, 1980
Monongahela Lund, 1970
Monophora Bory de St Vincent, 1804
Monopleurodus Pander, 1856
Monopteros Volta, 1796
Monospina Valiukevicius, 2003
Montognathus Crane, 1993
Morchellioides Herdman, 1886
Morchelliopsis Lahille, 1886
Moreyella Gunnell, 1933
Mormosauridae
Mormyrostoma Ribeiro, 1911
Moropodidae
Morrolepis Kirkland, 1998
Moschopidae
Moschosauridae
Mosherella Kozur, 1972
Mossia Herdman, 1891
Moyacanthus Zangerl, 1981
Moyenisauropodidae
Moythomasia Whitley, 1951
Moythomasina Fowler, 1958
Mucrovenator Cuny, Rieppel & Sander, 2001
Muellerodus Miller, 1980
Muensterichthys Schaumberg, 1989
Mugilomorus Lacepède, 1803
Muhuadontus Xiong, 1983
Mulloides Richardson, 1843
Multioistodontidae
Multioistodus Harris, 1964
Multiostodus Cullison, 1938
Munchoaspis Tarrant, 1991
Murasoius Matsubara, 1943
Murmur Whitley, 1951
Musgravius Whitley, 1961
Musperia Sanders, 1934
Mussauridae
Mustelichthys Tanaka, 1918
Mutovinia Minich, 1992
Myducosteus Thanh, Ta Hoa Phuong, Boucot, Goujet & Janvier, 1997
Myersichthys Hubbs, 1952
Mylacochromis Greenwood, 1980
Mylacodus Davis, 1883
Mylacrodon Regan, 1903
Mylax Morris & Roberts, 1862
Myleocollops Eigenmann, 1903
Myliodasyatis Noubhani & Cappetta, 1997
Mylites Minding, 1832
Mylloides Agassiz, 1846
Myllokunmingiidae
Mylocyprinus Leidy, 1870
Mylognathus Leidy, 1856
Myloplites Hussakof, 1908
Mylopteraspidella Blieck, 1984
Mylopteraspis Stensiö, 1958
Mylorhina Gill, 1865
Mylostomatidae
Myocharax Fowler, 1914
Myogalidae
Myosidae
Myriacanthus Agassiz, 1837
Myriolepis Egerton, 1864
Myriosteon Gray, 1864
Mystaconurus Günther, 1887
Mythomyidae
Mythunga
Myxini
Nahanniaspis Dineley & Loeffler, 1976
Naiathaelon Poyato-Ariza & Wenz, 1994
Naisia Münster, 1846
Nakaolinaspis Pan & Wang, 1978
Nalbanthius Mauge & Bauchot, 1984
Namaichthys Gürich, 1923
Nandina Gray, 1831
Nanjiangaspis Wang, Wang, Zhang, Wang & Zhu, 2002
Nannapogon Fowler, 1938
Nannocampichthys Hora & Mukerji, 1936
Nannoceratias Regan & Trewavas, 1932
Nannolepis Griffith, 1977
Nanocuridae
Nanosauridae
Nanpanaspididae
Nanpanaspis Liu, 1965
Naqua Niebuhr, 1775
Narcinops Whitley, 1940
Narcodes Agassiz, 1845
Narcopterus Agassiz, 1835
Nardoichthys Sorbini & Bannikov, 1991
Nasocassis Nichols, 1925
Nasogaluakus Schultze, 2000
Nason Anonymous, 1802
Nasugnathus An, 1983
Natlaspididae
Natlaspis Dineley & Loeffler, 1976
Naulas Agassiz, 1845
Nawagiaspis Young, 1990
Naxilepis
Nderechromis van Couvering, 1982
Neavichthys Whitley, 1951
Nectaspididae
Nectaspis Wängsjö, 1952
Neeyambaspis You, 1991
Nefasch Oken, 1816
Nefudina Lelièvre, Janvier, Janjou & Halawani, 1995
Negotirus Whitley, 1937
Nemalycodes Herzenstein, 1896
Nematagnus Gill, 1862
Nematobrotula Gill, 1864
Nematocampsis Agassiz, 1846
Nematochirus Agassiz, 1846
Nematoparodon Fowler, 1943
Nematoptychius Traquair, 1875
Nematopus Agassiz, 1846
Nematosoma Eichwald, 1831
Nematotherus Agassiz, 1846
Nemicolopterus
Nemipus Rafinesque, 1815
Nemocampsis Rafinesque, 1820
Nemochirus Rafinesque, 1814
Nemophis Kaup, 1858
Nemotherus Costa, 1834
Neoasiacanthus Wang, Xia & Chen, 1980
Neobagrus Bellotti, 1892
Neobaleiichthys Su Dezao, 1985
Neobelodina Gedik, 1975
Neocarassius Castelnau, 1872
Neocavitella Sudar & Budurov, 1979
Neochallaia Rusconi, 1949
Neochela Silas, 1958
Neocoleodus Branson & Mehl, 1933
Neocolliolus Gaemers, 1976
Neocorassius Castelnau, 1872
Neocordylodus Cooper, 1939
Neoduyunaspis Pan & Wang, 1978
Neognathodus Dunn, 1968
Neohindeodella Kozur, 1968
Neohispaniscus Matsubara, 1943
Neolepidotes Chang & Chow, 1977
Neolochriea Mizuno, 1997
Neolopidotes Chang & Chow, 1974
Neolycoptera de Sáez, 1939
Neomultioistodus Harris & Harris, 1965
Neopachycormus Taverns, 1977
Neopanderodus Ziegler & Lindstrom, 1971
Neopetalichthys Liu, 1973
Neopholidophoropsis Taverne, 1981
Neoplectospathodus Zhou Xiyun, Zhai Zhiqiang & Xian Siyuan, 1981
Neoprioniodus Rhodes & Muller, 1956
Neoproscinetes de Figueiredo & da Silva Santos, 1990
Neopygodus Zhou & Zhai, 1983
Neorhipidognathus Mound, 1968
Neorohita Fowler, 1937
Neosemionotus Bocchino, 1973
Neosillago Castelnau, 1875
Neosinacanthus P'an & Liu, 1975
Neospathognathodus Nicoll & Rexroad, 1968
Neostrachanognathus Koike, 1998
Neostreptognathodus Clark, 1972
Neotephroeops Castelnau, 1872
Nephrotus Meyer, 1849
Neptotichthys Hutton, 1890
Nericodina Zhou Xiyun, Zhai Zhiqiang & Xian Siyuan, 1981
Nericodus Lindström, 1954
Nesocongrus Whitley, 1935
Nesodontidae
Nessariostoma Broili, 1933
Netsepoye Lund, 1989
Nettastomops Steindachner, 1906
Neuburgella Kazantseva-Selentseva, 1981
Neuburgia Kazantseva-Selezneva, 1980
Neuquensuchus
Neusticosauridae
Newtonscottia Whitley, 1937
Nexilaris Jordan & Evermann, 1896
Nicholsopuntius Pellegrin, 1933
Nicollidina Dzik, 2002
Nieerkunia Su Dezao, 1992
Nielsenia Lehman, 1959
Nigerium White, 1934
Nigerpeton
Nigracus Whitley, 1953
Nikolivia Karatajute-Talimaa, 1978
Nikoliviidae
Ninnia de Buen, 1931
Ninnigobius Whitley, 1951
Niobrara Jordan, 1925
Nipponogladius Igo & Adachi, 1993
Nitidalepis Sergienko, 1974
Niviperca Whitley, 1951
Nixiblennius Whitley, 1930
Nochelaspis Zhu Min, 1992
Nodocosta Gross, 1940
Nodognathus Cooper, 1939
Nodonchus White, 1961
Nofua Whitley, 1930
Nogamiconus Miller, 1980
Nogueralepis Wang, 1993
Nolfia Taverne, 1976
Nominostomias Regan & Trewavas, 1930
Nonaphalagodus Thurmond, 1974
Nopcsaspondylus
Nordiodus Serpagli, 1968
Nordiora Rasmussen, 2001
Norigondolella Kozur, 1990
Noriona Strand, 1942
Normanetta Whitley, 1931
Normania Parr, 1937
Norselaspis Janvier, 1981
Nostolepis Pander, 1856
Nostolepoides Burrow, 1997
Notacanthum Rafinesque, 1815
Notacmon Gistl, 1848
Notaeus Agassiz, 1843
Notelis Rafinesque, 1814
Nothistium Hermann, 1804
Nothosomus Agassiz, 1844
Notidanidae
Notidanion Jordan, 1923
Notiolepis De Pomer, 1994
Notistium Agassiz, 1845
Notodectes de Sáez, 1949
Notoglanis Günther, 1864
Notognidion Rafinesque, 1810
Notogobio Sytcheskaya, 1989
Notogrammus Bean, 1882
Notohypsilophodon
Notopetalichthys Woodward, 1941
Notopristis Ameghino, 1906
Notorabula Whitley, 1934
Notorhizodon Young, Long & Ritchie, 1992
Notrullus Whitley, 1951
Novacula Jarocki, 1822
Nozamichthys Schultze & Bardack, 1987
Nudibelodina Jeppsson, 1997
Nudipagellus Fowler, 1925
Nukta Hora, 1942
Numbigilgidae
Numidiopleura Gaudant & Gaudant, 1970
Nunavutia Märss, Wilson & Thorsteinsson, 2002
Nuratodus Pianovsky & Pianovskaja, 1990
Nurrella Pomesano Cherchi, 1967
Nursallia Blot, 1987
Nursallidae
Nybelinea Lund, 1968
Nyssachromis Eccles & Trewavas, 1989
Obaichthys Wenz & Brito, 1992
Obolarius Steller, 1811
Obruchevia Whitley, 1940
Obrucheviidae
Occithrissops Schaeffer & Patterson, 1984
Ochlodus Owen, 1867
Ochtodontidae
Ocloedus Poyato-Ariza & Wenz, 2002
Octinaspis Trautschold, 1876
Octonema Martens, 1868
Oculeus Lacepède, 1803
Odamphus Rafinesque, 1815
Odontacanthus Agassiz, 1845
Odontogobius Bleeker, 1874
Odontolabrax Bleeker, 1873
Odontolepis Fischer de Waldheim, 1813
Odontolimia Rivas, 1980
Odontopholis Page, 1974
Odontorhytis Böhm, 1926
Odontotodus Pander, 1856
Oelandodus van Wamel, 1974
Oelemaria Kullander & Nijssen, 1989
Oepikodontidae Bergstrom, 1981
Oepikodus Lindström, 1954
Oervigia Lehman, 1959
Oeselaspididae
Oeseliidae Marss, 2005
Oestophorus Miller, 1892
Ogilamia Whitley, 1939
Ognichodes Swainson, 1839
Ohioaspis Wells, 1944
Ohiodorulites Whitley, 1933
Ohiolepis Wells, 1944
Oistodella Bradshaw, 1969
Oistodontidae
Oistodus Pander, 1856
Olbiaspididae
Olbiaspis Obruchev, 1964
Oldmanesox Wilson, Brinkman & Neuman, 1992
Oliglopleurus Thiollière, 1850
Oligobelus Cope, 1870
Oligodus Cooper, 1939
Oligonemichthys Ciobanu, 1977
Oligophidium Schwarzhans, 1981
Oligoplarchus Cope, 1891
Oligopleuridae
Oligopodis Fleming, 1822
Oligopodus Lacepède, 1800
Oligoscorpaena Fowler, 1939
Oligosphenopsis Parin, 1992
Oliverichtus Whitley & Phillipps, 1939
Omalodus Ginter & Ivanov, 1992
Omalopleurus Costa, 1855-56
Omeisauridae
Omiodon Bassani, 1889
Ommatolampes Fischer-Waldheim, 1851
Omochetus Ogilby, 1897
Omosauridae
Omosomopsis Gaudant, 1978
Ompax Castelnau, 1879
Omphalodus Meyer, 1847
Oncesthes Jordan & Hubbs, 1925
Onchus Agassiz, 1835
Oncobatis Leidy, 1870
Oncodella Mosher, 1968
Oncotion Walbaum, 1792
Oncotium Agassiz, 1846
Oneotodontidae
Oneotodus Lindström, 1954
Oniscolepis Pander, 1856
Onobrosmius Boghachev, 1938
Onopionus Rafinesque, 1815
Onychodontidae
Onychoselache Dick, 1978
Onyxodus Watson, 1988
Oolepis Geinitz, 1868
Oolithes
Oonaspis Jahn, 1894
Oonides Latreille, 1804
Oonidus Rafinesque, 1815
Oovidus Bonaparte, 1831
Operchallosteus Kulczycki, 1957
Ophidyperus Stinton, 1965
Ophiodontium Bronn, 1833
Ophirachis Costa, 1854
Ophis Turton, 1807
Ophithorax McClelland, 1844
Opictus Rafinesque, 1815
Opisthistius Gill, 1863
Opisthocoelicaudidae
Opistocheilos Bleeker, 1860
Oplictis Rafinesque, 1818
Opsigonus Bassani, 1882
Opsopoea Jordan & Evermann, 1896
Orbidus Rafinesque, 1815
Orbis Fischer de Waldheim, 1813
Orcula Jordan & Evermann, 1900
Oreochima Schaeffer, 1972
Orestiacanthus Lund, 1984
Orfus Fitzinger, 1874
Oricardinus Cope, 1877
Orientolepis Pan & Wang, 1978
Orissagobius Herre, 1945
Orlovichthys Krupina, 1980
Ornichthys Swainson, 1839
Ornithocephalidae
Ornithomimipus
Ornithopodidae
Ornithoprion Zangerl, 1966
Ornithopsidae
Orodontidae
Orognathus Agassiz, 1844
Oroptychus Agassiz, 1845
Oropycnodus Poyato-Ariza & Wenz, 2002
Orqueta Jordan, 1919
Orthacanthidae Heyler & Poplin, 1989
Orthaspis Brotzen, 1934
Orthichthys Gill, 1863
Orthocoela Macdonald, 1864
Orthocoeta Macdonald, 1864
Orthocolus Gistl, 1848
Orthocormus Weitzel, 1930
Orthognathus Barkas, 1873
Orthogonikleithrus Arratia, 1987
Orthogoriscus Schinz, 1822
Orthomyleus Eigenmann, 1903
Orthophallus Rivas, 1963
Orthopleurodus St. John & Worthen, 1883
Orthostomus Kner, 1868
Orthroleucos Derjavin, 1937
Orthybodus Jaekel, 1898
Orvikuina Gross, 1953
Oshunia Wenz & Kellner, 1986
Oslodus Zhang Jianhua, 1998
Osmerolepis Fritsch, 1919
Osorioichthyidae
Osorioichthys Casier, 1954
Osphyolax Cope, 1876
Ostenoselache Duffin, 1998
Ostenoselachidae
Osteochir Gray, 1842
Osteogaster Cope, 1894
Osteolepidae
Osteolepididae
Osteoplax M'Coy, 1848
Osteopleurus Schaeffer, 1941
Ostinapsis Trautschold, 1874
Ostracacanthus Davis, 1880
Ostreoblennius Whitley, 1930
Ostreogobius Whitley, 1930
Otarionichthys Gaemers, 1984
Othnielosaurus
Otolithopsis Huddleston, 1983
Ottonosteus Stensiö, 1959
Ouledia Capetta, 1986
Ovaloolithidae
Overtonaspis White, 1961
Ovigadiculus Gaemers, 1990
Ovoraptor
Ovum Schneider, 1801
Oxal Fowler, 1931
Oxima Rafinesque, 1815
Oxinagnathus Ellison, 1972
Oxygeneum Forbes, 1885
Oxygnathus Egerton, 1854
Oxygoniolepidus David, 1956
Oxygonius Agassiz, 1845
Oxylabrax Bleeker, 1876
Oxymacrurus Bleeker, 1874
Oxymandias Jordan & Gilbert, 1919
Oxymugil Whitley, 1948
Oxyosteus Jaekel, 1911
Oxypoma Agassiz, 1846
Oxypteriscus Matveeva, 1958
Oxyrrhina Swainson, 1838
Oxytes Giebel, 1848
Oxytomodus Trautschold, 1881
Oxyurus Rafinesque, 1810
Ozarcodina
Ozarka Williams & Robison, 1980
Ozymandias Jordan, 1919
Pacamus Rafinesque, 1815
Pachiurus Swainson, 1839
Pachycladina Staesche, 1964
Pachydectes
Pachygaster Giebel, 1847
Pachylabrus Gibbons, 1854
Pachylebias Woodward, 1901
Pachylepis Quenstedt, 1858
Pachyosteidae
Pachyosteus Jaekel, 1903
Pachystetus Sauvage, 1873-74
Pachystomus Heckel, 1843
Pachyula Ogilby, 1898
Pacu Spix, 1829
Paecilops Pomel, 1853
Paeneapocryptes Herre, 1927
Pagrichthys Bleeker, 1860
Paibiconus Xi-Ping, 1993
Pakisauridae
Palaeacanthaspididae
Palaeacanthaspis Brotzen, 1934
Palaeaulopus Taverne & Ross, 1973
Palaechimaera Walcott, 1891
Palaedaphus Gervais, 1852
Palaenichthys Kaup, 1872
Palaeobalistum Blainville, 1818
Palaeobates Meyer, 1849
Palaeobatis Leidy, 1860
Palaeobergia Matveeva, 1958
Palaeobromelia C. von Ettingshausen, 1852
Palaeobrosmius Von Rath, 1859
Palaeocarcharidae
Palaeochromis Sauvage, 1907
Palaeoclupea Dante, 1942
Palaeocorax Gluckman, 1956
Palaeocursornithidae
Palaeodasyatis Halter, 1988
Palaeodasybatis Fowler, 1947
Palaeodontidae
Palaeodus Rohon
Palaeoesox Voigt, 1934
Palaeofulu van Couvering, 1982
Palaeogobio Zhou Jiajian, 1990
Palaeohatteriidae
Palaeolebias Reichenbacher & Weidmann, 1992
Palaeolycus Marck, 1863
Palaeomorrhua Gaemers & Schwarzhans, 1973
Palaeomyliobatis Santos & Travassos, 1960
Palaeomyzon Weigelt, 1930
Palaeoniscidae Vogt, 1852
Palaeoniscinotus Rohon, 1890
Palaeoniscoidus Sewertzov, 1934
Palaeoniscum
Palaeophichthys Eastman, 1908
Palaeophoxinus (Coates, MS, 1988)
Palaeopristolepis Borkar, 1973
Palaeopteryx
Palaeoraniceps Gaemers, 1976
Palaeorhynchoides Smirnov, 1936
Palaeorutilus Gaudant, 1988
Palaeosauridae
Palaeoscillium Marck, 1860
Palaeoscomber Smirnov, 1936
Palaeospinacidae Regan, 1906
Palaeospinax Egerton, 1872
Palaeosteus Rohon, 1893
Palaeostrugia Esin, 1995
Palaeothrissum Blainville, 1818
Palaeotroctes Danil'chenko, 1960
Palaeoxyris Brongniart, 1828
Palaeumbra Weiler, 1973
Palanarrhichas Le Hon, 1871
Palealbula Frizzell, 1965
Paleamia Jonet, 1981
Paleobathygadus David, 1956
Paleolox Kimmel, 1975
Palidostoma Minding, 1832
Palimphemus Kner, 1862
Palinurus De Kay, 1842
Pallisteria
Palmatolepidae
Palmipeda
Palmonellum Schepotieff, 1912
Paloa Herre, 1927
Paloedaphus Gervais, 1852
Paltodus Sergeeva, 1974
Palymphyes Giebel, 1847
Pambulaspis Young, 1983
Pammelas Günther, 1860
Pampanoa Fowler, 1906
Panamintaspis Elliott & Ilyes, 1996
Panderichthyidae
Panderiella Kasatkina, 2000
Panderodontidae
Panderolepis Helms, 1963
Pandoricriodus Mawson, Talent & Furey-Greig, 1995
Pandorinellina Hass, 1959
Panichthys Whitley, 1933
Panphagia
Panteleion Whitley, 1941
Pantopholis Davis, 1887
Pantophos Jordan & Hubbs, 1925
Panxiosteidae
Papyrocephalus Gilbert & Hubbs, 1920
Paraanacorax Gluckman, 1979
Parabagrus Bleeker, 1862
Parabarbus Sytchevskaya, 1986
Parabatrachus Owen, 1853
Parabelodina Sweet, 1979
Parabelosteus
Parabodianus Beaufort, 1940
Parabrontopodus Lockley, Farlow & Meyer, 1994
Parabuchanosteus White & Toombs, 1972
Paraceratodus Lehman, 1959
Paracestracion Koken, 1911
Parachannichthys Gayet, 1988
Parachanos Arambourg & Schneegans, 1935
Parachirognathus Clark, 1959
Paraclupavus Saint-Seine & Casier, 1962
Paraclupeidae
Paracordylodontidae
Paracordylodus Lindström, 1954
Paracristiceps Herre, 1939
Paractichthys Dunkle, 1958
Paractyctodus Carter, 1942
Paracymatodus Bogoliubov, 1916
Paracypselurus Parin, 1961
Paradapedium Jain, 1973
Paradercetis Casier, 1965
Paradiplacanthopoma Schwarzhans, 1981
Paradipterus Jaekel, 1927
Paradrepanodus Ni, 1987
Paradrydenius Kazantseva-Selezneva, 1980
Paraduyunaspis Pan & Wang, 1978
Paraelops da Silva Santos, 1971
Paraformichella Qian & Zhang, 1983
Parafundulus Eastman, 1917
Paragenypterus Schwarzhans, 1981
Paraglyptolepis Vorobyeva, 1987
Paraglyptothorax Li, 1986
Paragnathodus Higgins, 1975
Paragonatodus Kazantseva-Selezneva, 1980
Paragondolella Mosher, 1968
Parahalecula Fowler, 1958
Parahelicampodus Nielsen, 1952
Parahelicoprion Karpinski, 1924
Paraikichthys Ameghino, 1899
Paraisurus Ghlikman, 1957
Paralates Sauvage, 1883
Paraleiosteus Stensiö, 1959
Paralepidotus Stolley, 1920
Paraleptolepis Arratia & Thies, 2001
Paraleuciscus Sauvage, 1880
Paraliliaspis Novitskaya & Karatajute-Talimaa, 1994
Paraliodesmus Dunkle, 1969
Paralogoniscus Kazantseva-Selentseva, 1981
Paralosa Bleeker, 1867
Paralycodes Bleeker, 1874
Paralycoptera Chang & Chow, 1974
Paramacrurus Bleeker, 1874
Paramblypterus Sauvage, 1888
Paramesolepis Moy-Thomas & Dyne, 1938
Paramesturus Taverne, 1981
Parameteoraspis Blieck, Goujet & Janvier, 1987
Paramicrodon Thurmond, 1974
Paramobula Pfeil, 1981
Paramorone David, 1946
Paramylostoma
Paranandus Day, 1865
Paranarrhichas Böhm, 1926
Paranogmius Weiler, 1935
Paranostolepis Vieth, 1980
Paranotidanus Ward & Thies, 1987
Paranotropis Fowler, 1904
Paraoncorhynchus Glikman, Konovalov & Rassadnikov, 1973
Paraorthacodus Ghlikman, 1957
Parapachycladina Zhang, Aldridge & Donoghue, 1997
Parapaltodus Stouge, 1984
Parapanderodus Stouge, 1984
Parapelekysgnathus Vorozhbitov, 1992
Paraperca Sauvage, 1875
Parapercichthys Whitley & Phillipps, 1939
Parapetalichthys Kuhn, 1949
Parapholidophorus Zambelli, 1975
Paraphyllodus Sauvage, 1875
Paraplatyglossus Bleeker, 1878
Paraplesichthys Bleeker, 1876
Paraplesiobatidae
Paraplesiobatis Broili, 1933
Parapleuropholis de Saint Seine, 1955
Parapolygnathus Klapper & Philip, 1971
Parapolymixia David, 1946
Parapongonius Weiler, 1935
Paraprioniodus Ethington & Clark, 1981
Paraprionodus
Paraprionosaurus
Paraprotopteryx
Paraprotosalanx Fang, 1934
Parapteraspis Stensiö, 1958
Paraptyctodus Carter, 1942
Parapygodus Zhou & Zhai, 1983
Pararhynchobdella Bleeker, 1874
Pararius Whitley, 1940
Pararutilus Berg, 1912
Parasagenodus Vorob'eva, 1972
Paraschizothorax Tsao, 1964
Parascolopsoides Smith, 1949
Parascopelus Sauvage, 1873
Parasemionotidae Stensiö, 1932
Paraserranus Bleeker, 1874
Paraserratognathus An, 1983
Paraserrivomer Roule & Angel, 1931
Parasillago McKay, 1985
Paraspathognathodus Zhou & Zhai, 1983
Parasquatina Herman, 1982
Parastenodus David, 1946
Parastriatolamia Zhelezko, 1989
Parastrolytes Hubbs, 1926
Paratarrasius Lund & Melton, 1982
Parathelodus Wang Nianzhong, 1997
Parathrissops Sauvage, 1891
Paratrachinops Allen, 1977
Paraturinia Wang, 1993
Parawalterosteus Stensiö, 1963
Parawestergaardodina An Tai-xiang & Tai-xiang, 1982
Parawilliamsaspis Liu, 1980
Parayunnanolepis Zhang, Wang & Wang, 2001
Parchrosomus Gasowska, 1979
Pareiophus Nafpaktitis, 1975
Parelops Fritsch & Bayer, 1902
Parenchodus Raab & Chalifa, 1987
Parengyrioides Hartmeyer, 1914
Pareomyrus Cadrobbi, 1962
Parephippus Gill, 1862
Paretrumeus Daniltshenko, 1980
Parexus Agassiz, 1844
Parhybodus Jaekel, 1898
Parkia Fowler, 1904
Parocosia Whitley, 1958
Parodontaspis White, 1931
Parodontops Schultz & Miles, 1943
Paroistodus Lindstrom, 1971
Parrichthys Barbour, 1942
Parutahconus Landing, 1982
Parviclinus Fraser-Brunner, 1932
Parvicolliolus Gaemers, 1985
Parvigondolella Kozur & Mock, 1972
Pasambaya Rusconi, 1946
Passalodon Agassiz, 1843
Pateroperca Woodward, 1942
Patrognathus Rhodes, Austin & Druce, 1969
Pattenaspis Stensiö, 1958
Pattersonella Taverne, 1982
Pattersonichthys Goody, 1969
Paucicanthus Hanke, 2002
Pavloaspis Voichyshyn, 1999
Pavlovichthys Menner, 1948
Pavlovites Kozur, 1976
Pawnurus Parr, 1946
Pedalibycon Fowler, 1943
Pedavis Klapper & Philip, 1971
Pedeticosauridae
Pedopenna
Pegedichthys Jordan, 1876
Pegedictis Rafinesque, 1820
Peilepis Wang Nianzhong, 1984
Pekoltia Miranda-Ribeiro, 1912
Pekoltichthys Miranda-Ribeiro, 1923
Pelamycybium Toula, 1905
Pelargorhynchus Marck, 1858
Pelaspis Novitskaya, 1971
Pelecopterus Cope, 1875
Pelecorapis Cope, 1874
Pelecyphorus Trautschold, 1890
Peleichthys Broom, 1913
Pelicinomimus Gilchrist, 1923
Pelicoraphis Zittel, 1885
Pelicorapis Zittel, 1882
Peltapleura Fowler, 1906
Peltatetraops Fowler, 1931
Peltharpadon Fowler, 1934
Peltodus Newberry & Worthen, 1870
Peltoperleidus Burgin, Eichenberger, Furrer & Tschanz, 1991
Peltopleuridae
Pelurgaspis Obruchev, 1964
Pelycorapis Cope, 1877
Pempla Swainson, 1838
Penicelinus Bolin, 1936
Pennagnathus Whitley, 1950
Pentagonolepis Lohest, 1888
Pentanogmius Taverne, 2000
Pentrolepis Agassiz, 1844
Penygaspididae
Penygaspis Stensiö, 1958
Peplorhina Cope, 1873
Percanthias Tanaka, 1922
Percaprionodes Fowler, 1944
Percidarum
Percosoma Gill, 1861
Peregrinia Vorobyeva & Lebedev, 1986
Pericentrophorus Jorg, 1969
Peridon
Periergus Gistl, 1848
Perigrammatolepis Geinitz, 1868
Perioceps Parr, 1954
Periodontidae
Periodus Agassiz, 1839
Perioptera Gistl, 1848
Peripeltopleurus Burgin, 1992
Periplectrodus St. John & Worthen, 1875
Peripristis St. John, 1870
Perissognathus Hussakof & Bryant, 1919
Perleididae Brough, 1931
Permosoma Jaekel, 1915
Peroptera Gistl, 1848
Perosoma Bronn, 1862
Perprilus Gray, 1842
Persacanthus Janvier, 1977
Perudyptes
Pesciarichthys Blot & Tyler, 1990
Petalodontidae
Petalodopsis Barkas, 1874
Petalolepis Geinitz, 1868
Petersialestes Hoedeman, 1951
Petrolemuridae
Petruichthys Menon, 1987
Pezopallichthys Wilson & Caldwell, 1998
Phacodus Cope, 1869
Phacolepis Agassiz, 1841
Phaenodon Lowe, 1852
Phaenodus Goode & Bean, 1895
Phaetonichthys Bleeker, 1876
Phaidrosoma Griffith, 1977
Phakelodus Miller, 1984
Phalacropholis Chabanaud, 1931
Phalacrus Woodward, 1901
Phanerocephalus Gratzianov, 1906
Phaneropleuridae
Phanerorhynchidae
Phanerorhynchus Gill, 1923
Phanerosteon Traquair, 1881
Pharmacichthys Woodward, 1942
Pharyngochrorais Greenwood, 1979
Pharyngodopilus Cocchi, 1866
Phascolomys
Phasganodus Leidy, 1858
Phasganus Agassiz, 1845
Phenyngodictyon
Phialaspididae
Phialaspis Wills, 1935
Phillippsichthys Whitley, 1937
Phillipsilepis Märss, Wilson & Thorsteinsson, 2002
Phlebolepididae Berg, 1940
Phlegmolepis Aldinger, 1937
Phlyctaenacanthus Eastman, 1898
Phlyctaenichthys Wade, 1935
Phlyctaeniidae
Phobetor Krøyer, 1844
Phoderacanthus Davis, 1883
Phoebammon Whitley, 1951
Phoebodoides Ginter, 1991
Phoebodontidae
Phoebodus St. John & Worthen, 1875
Phoenicolepis Gaudant, 1978
Pholidoctenus Zambelli, 1979
Pholidolepis Nybelin, 1966
Pholidophoretes Griffith, 1977
Pholidophorichthys Gaudant, 1978
Pholidophoridae
Pholidophorides Woodward, 1941
Pholidophoristion Woodward, 1941
Pholidophoropsis Nybelin, 1966
Pholidopleuridae Wade, 1932
Pholidorhynchodon Zambelli, 1980
Pholidosteidae
Pholidosteus Jaekel, 1907
Pholidotus Williamson, 1849
Pholidurus Woodward, 1889
Pholidus Rafinesque, 1815
Phosphatobatis Cappetta, 1991
Photonecoides Koefoed, 1956
Phragmodus Branson & Mehl, 1933
Phricacanthus Davis, 1879
Phrynichthys Agassiz, 1846
Phrynotitan Gill, 1885
Phuscaria Rafinesque, 1815
Phylactocephalus Davis, 1887
Phyllognathus Ni, 1984
Phyllolepidae
Phyllopharyngodon Bellwood, 1990
Phymolepis Zhang Guorui, 1978
Phymolepis Chang Zhang, 1978
Phymosteus Wang & Zhu, 2004
Physichthys Meyer, 1855
Physocephalus Costa, 1855-60
Physogaster Müller, 1841
Piabucidium Myers, 1929
Piabuqua Schinz, 1822
Picorellus Rafinesque, 1820
Pigus Bonaparte, 1845
Pikaia Walcott, 1911
Pillararhynchus Campbell & Barwick, 1990
Pilolepis Thorsteinsson, 1973
Pimeletropis Gill, 1860
Pinacodus Branson & Mehl, 1933
Pinacognathus
Pingolepis Chang & Chow, 1974
Pinguosteus Long, 1990
Pinnacanthus Bryant, 1934
Pintoichthys Fowler, 1954
Pintosaurus
Pinulothunnus Ciobanu, 1977
Pionaspis Denison, 1964
Piotisoma Costa, 1755-56
Pipettella Whitley, 1951
Pipiscius Bardack & Richardson, 1977
Pirarara Spix, 1829
Piratia Rafinesque, 1815
Pircanchaspis Erdtmann, Weber, Schultze & Egenhoff, 2000
Pirellinus Whitley, 1928
Pirena Fleming, 1822
Pirodus Lebedev, 2001
Pirumaspis Ilyes & Elliott, 1994
Piscichnus Feibel, 1987
Pisodon Agassiz, 1846
Pisodus Owen, 1841
Pisoodon Kaup, 1834
Pithecomyzon Fowler, 1913
Pituriaspis You, 1991
Piveteaunotus Beltan, 1968
Placidichthys Brito, 2000
Placodus Agassiz, 1842
Placolepis Ritchie, 1984
Placopleurus Brough, 1939
Placosteus Agassiz, 1844
Placothorax Agassiz, 1845
Plammolipis Agassiz, 1835
Planctosphaera Spengel, 1932
Planerocephalus Gratzianov, 1906
Planesox Owen, 1854
Planiliza Whitley, 1945
Planipolygnathus Khalimbadz & Mungale, 1994
Planirostra Rafinesque, 1820
Planusodus Pyle & Barnes, 2002
Plastsomus Agassiz, 1833
Platacanthus Fischer de Waldheim, 1849
Plateosauravidae
Platinx Agassiz, 1835
Platipornax Whitley, 1939
Platirostra Lesueur, 1818
Platops Owen, 1854
Platotichthys Nichols, 1921
Platyacanthus Fritsch, 1889
Platyacrodus Ameghino, 1935
Platyaspis Koenen, 1896
Platycanthus M'Coy, 1848
Platycaraspis Wang, Wang, Zhang, Wang & Zhu, 2002
Platycephalichthys Vorobyeva-Blokhina, 1959
Platycephaloides Teugels, 1982
Platycephalops Smith, 1957
Platycerhynchus Costa, 1855-56
Platycormus Marck, 1858
Platycyprinus Zhou Jiajian, 1990
Platyethmoidia Young, Long & Ritchie, 1992
Platygenys Owen, 1854
Platylepes Swainson, 1839
Platylepis Swainson, 1839
Platyodus Newberry, 1875
Platyonos Gaemers, 1985
Platypodus Lacepède, 1804
Platypterus Swainson, 1839
Platyrhinosteus Jaekel, 1929
Platyrostra Heckel, 1835
Platysalmo Behnke, 1969
Platysella Heyler & Poplin, 1983
Platysepta Stinton, 1965
Platysiagidae Brough, 1939
Platysoma Liénard, 1832
Platysomatus Cuvier, 1800
Platysomidae
Platyspondylus Haug, 1905
Platyuraspis Fowler, 1938
Platyvillosus Clark, Sincavage & Stone, 1964
Platyxystrodus Hay, 1899
Playfordia Glenister & Klapper, 1966
Plectodina Stauffer, 1935
Plectodinidae
Plectrodus Agassiz, 1838
Plectrolepis Egerton, 1850
Plectroperca Peters, 1864
Plectropoma Fleming, 1822
Plegagnathus Ethington & Furnish, 1959
Plegmolepis Nielsen, 1935
Pleiocnemus Agassiz, 1844
Pleionemus Agassiz, 1837
Pleiopterus Agassiz, 1835
Plericthys Swainson, 1839
Plesiococcolepis Wang, 1977
Plesiodus Wagner, 1860
Plesiolepidotus Schlosser, 1923
Plesioleuciscus Zhou Jiajian, 1990
Plesiolycoptera Zhang & Zhou, 1976
Plesioperca Vaillant, 1873
Plesioperleidus Su Dezao & Li Zuocong, 1983
Plesiopteraspis Stensiö, 1958
Plesiornis Hitchcock, 1858
Plesioschizothorax Wu & Chen, 1980
Plesioselachus Anderson, Long, Gess & Hiller, 1999
Plesiothornipus
Plestesa Gray, 1842
Plethodidae
Pleuralophium Schepotieff, 1912
Pleurociona Roule, 1884
Pleurocoelidae
Pleurogadus Jordan, 1887
Pleurogomphus Morris & Roberts, 1862
Pleurolophium Giard, 1886-87
Pleuronectoides Nardo, 1824
Pleuroperca Fowler & Bean, 1930
Pleuropholidae
Pleuroplax Woodward, 1889
Plicatodus Hampe, 1995
Plicatopristis Cappetta, 1991
Plicodus Winkler, 1874
Plinthodus Costa, 1855-56
Plintholepis Romanowsky, 1864
Plinthophorus Günther, 1864
Pliodetes Wenz, 1999
Plionemus Agassiz, 1846
Plioplarchus Cope, 1883
Pliopterus Agassiz, 1846
Pliosilurus Weiler, 1956
Plourdosteidae
Plourdosteus Ørvig, 1951
Pluckidina Dzik, 2002
Plumantennatus Schultz, 1957
Pluviopsetta Tanaka, 1915
Pneumatasteus Cope, 1869
Pneumatosteus Cope, 1869
Pnigeacanthus St. John & Worthen, 1875
Podichthys Agassiz, 1846
Podocys Agassiz, 1834
Podoleptus Rafinesque, 1815
Podopteryx Sauvage, 1880
Podotethis Gervais, 1840
Podotethys Desmarest, 1858
Poecilosomatops Fowler, 1906
Pogonocharax Regan, 1907
Pogonognathus Bleeker, 1849
Pogononemacheilus Fowler, 1937
Pogonostoma Agassiz, 1846
Pogostoma Rafinesque, 1818
Polactoma Rafinesque, 1814
Polemius Kaup, 1858
Polizoon Rafinesque, 1815
Polonodus Dzik, 1976
Polyacrodontidae Gluckman, 1964
Polybranchiaspididae
Polybranchiaspis Liu, 1965
Polycanthus Swainson, 1839
Polycantichthys Kaup, 1873
Polycarpoides Pizon, 1898
Polycostatus Ji & Barnes, 1994
Polydatus Gistl, 1847
Polydentatus Khalimbadz & Mungale, 1994
Polygnathellus Bassler, 1925
Polygnathidae
Polygnathoides Branson & Mehl, 1933
Polygyrodus White, 1927
Polymastodontidae
Polymerichthyidae
Polymerichthys Uyenono, 1967
Polymerolepis Karatajute-Talimaa, 1968
Polynodosus Vorontzova, 1993
Polyperca Stinton, 1965
Polyphractus Agassiz, 1844
Polyplacognathidae
Polyplacognathus Stauffer, 1935
Polyplocodus Pander, 1860
Polyporites Lindley & Hutton, 1831
Polyprium Hilgendorf, 1888
Polypterolepis Geinitz, 1868
Polypterurus Agassiz, 1846
Polypturus Agassiz, 1845
Polyrhizodus M'Coy, 1848
Polysentor Zangerl, 1979
Polysentoridae
Polystyela Giard, 1874
Polyuranodon Kaup, 1856
Polyzona Fleming, 1822
Polzbergia Griffith, 1977
Pomacampsis Rafinesque, 1820
Pomacanthis Rafinesque, 1815
Pomadasyina Fowler, 1931
Pomagonus Rafinesque, 1815
Pomaphractus Agassiz, 1843
Pomatocampsis Agassiz, 1846
Pomatogonus Agassiz, 1846
Pomatopsetta Gill, 1864
Pomatotis Agassiz, 1846
Pomognathus Agassiz, 1850
Pomophactus Agassiz, 1845
Pomotis Rafinesque, 1819
Pomotomus Swainson, 1838
Pompilus Minding, 1832
Poracanthodes Brotzen, 1934
Poracanthodidae
Poraspididae
Poriferaspis
Poroalticus Fowler, 1931
Porolepidae
Porolepididae
Porophoraspidae
Pororhiza Casier, 1969
Portalodus Long & Young, 1995
Potamogalidae
Pradhania
Praegaleagra David, 1946
Praegenypterus Schwarzhans, 1981
Praelatericriodus Bultynck, 1976
Praescomberesox David, 1946
Praesemionotus Jorg, 1969
Praetrilogania Blom, 1999
Pranognathus Mannik & Aldridge, 1989
Praolepis Kazantseva-Selezneva, 1980
Prattognathus Bergström, 1983
Pravognathus
Prenadilla Jarocki, 1822
Preophiodon
Presscottaspis White, 1961
Prevolitans Gayet & Barbin, 1986
Pridaella Budurov & Sudar, 1989
Prilonotus Richardson, 1854
Primaevomesus Stinton, 1965
Primisardinella Daniltshenko, 1968
Primospina Eigenmann & Beeson, 1893
Priodontaspis Ameghino, 1906
Priodontichthys Agassiz, 1846
Priomorphognathus Knupfer, 1967
Prioniodina Bassler, 1925
Prioniodinidae
Prioniodontidae
Prioniodus Pander, 1856
Prionognathodus Fay, 1959
Prionognathus Pander, 1856
Prionopleurus Fischer de Waldheim, 1852
Prionosparus Smith, 1942
Pristacanthus Agassiz, 1837
Pristhoplichthys Fowler, 1938
Pristhoplotrigla Fowler, 1938
Pristibatis de Blainville, 1825
Pristicladodus M'Coy, 1855
Pristocantharus Gill, 1863
Pristodontidae
Pristodus Davis, 1883
Pristognathus Stone & Furnish, 1959
Proacanthurus Blot & Tyler, 1990
Proacodus Müller, 1959
Proacontiodus An Tai-xiang & Tai-xiang, 1982
Proaethaspis Denison, 1978
Proamblys Gill, 1863
Proantigonia Gorjanovic-Kramberger, 1882
Proaspius Sytcheskaya, 1989
Proballostomus Cope, 1891
Probathygadus David, 1956
Problematoconites Müller, 1959
Problennius Priem, 1908
Probolocuspis Bronnimann, Zaninetti, Moshtaghian & Huber, 1974
Procephalaspididae
Proceramala Poplin & Lund, 2000
Proceratodus Romer & Smith, 1935
Proceros Rafinesque, 1820
Prochanos Bassani, 1879
Procharacinus Piton, 1938
Procharax Santos & Travassos, 1956
Procheirichthys Wade, 1935
Procondylolepis Zhang, 1984
Proconodontidae
Proconodontus Miller, 1969
Prodistacodus An Tai-xiang & Tai-xiang, 1982
Proditor Whitley, 1940
Proeutropius Fowler, 1936
Profundisudis Harry, 1953
Progadus David, 1956
Prognathodus Egerton, 1872
Progobiobotia Chen & Cao, 1977
Progsatromyzon Hora & Jayaram, 1952
Progyrolepis Fritsch, 1895
Prohydrocyon Piton, 1938
Proictiobus Sychevskaya, 1984
Prolepidotus Michael, 1893
Proleptolepis Nybelin, 1974
Promacrurus David, 1956
Promecocephalus Troschel, 1856
Promegalops Casier, 1966
Promerlangius Whitley, 1965
Promerluccius Boghachev, 1938
Promexyele Zangerl & Case, 1973
Promyliobatis Jaekel, 1894
Proodus Fowler, 1944
Prooneotodus Muller & Nogami, 1971
Propalaeoniscus Pomel, 1853
Proportheus Jaekel, 1910
Propristiophorus Woodward, 1932
Propycnoctenion Vorobeva, 1977
Propygidium Bocchino, 1964
Proraniceps Stinton, 1965
Prosagittodontus Muller & Nogami, 1971
Prosarctaspis Novitskaya, 1968
Prosaurodon Stewart, 1999
Prosauropsis Sauvage, 1893
Proscandodus Muller & Nogami, 1971
Prosoarchus Cohen, 1958
Prosomyleus Gery, 1972
Prosoplismus Waite, 1903
Prosopodon Noubhani & Cappetta, 1995
Prosphymaspis Gross, 1937
Prosphyraena Pauca, 1935
Prospinus Poey, 1861
Prospiraxis Williams, 1887
Prostheacanthus Blyth, 1860
Protacrodontidae
Protacrodus Jaekel, 1925
Protamblyptera
Protarpon Forey, 1973
Proteosauridae
Proteurynotus Moy-Thomas & Dyne, 1938
Prothymallus Laube, 1901
Protitanichthys Eastman, 1907
Protoanguilla Cadrobbi, 1962
Protoascidia Julin, 1904
Protocampus Günther, 1879
Protocatostomus Whitfield, 1891
Protoclupea Arratia, Fuentes, Chang Garrido & Chong Diaz, 1975
Protocolliolus Gaemers, 1976
Protocypselomorphus
Protodus Woodward, 1892
Protogaleus Molin, 1860
Protogladigondolella Dai & Tian, 1983
Protognathodus Ziegler, 1970
Protogonacanthus Miles, 1966
Protohaplolepis Lowney, 1983
Protomelus Hogg, 1841
Protopanderodontidae
Protopanderodus Lindstrom, 1971
Protopirata Trautschold, ?, 1889
Protoponus Cope, 1872
Protoprioniodus McTavish, 1973
Protopteraspididae
Protopterygidae
Protosiganus Whitley, 1935
Protospinacidae
Protospinax Woodward, 1919
Protosyngnathus Marck, 1876
Protothymallus Laube, 1901
Protoxotes Whitley, 1950
Protrachodontidae
Protriacanthus D'Erasmo, 1946
Protypotheriidae
Proumbra Sytchevskaya, 1968
Pruemolepis Vieth-Schreiner, 1983
Prymnetes Cope, 1871
Prymnothonoides Whitley & Phillipps, 1939
Prymnothonus Richardson, 1845
Psadiroma Rafinesque, 1814
Psaliodus Grey Egerton, 1843
Psallisostomus Walbaum, 1792
Psammodontidae
Psammolepididae
Psammolepis Agassiz, 1844
Psammosteidae
Psarolepis Xiaobo Yu, 1998
Pselaphias Jordan & Seale, 1906
Psephaspis Ørvig, 1961
Psephodontidae
Psettyllis Alcock, 1890
Pseudacanthodes White & Moy-Thomas, 1941
Pseudacrodus Ameghino, 1906
Pseudaetobatus Cappetta, 1986
Pseudageneiosus Bleeker, 1862
Pseudalburnus Sytcheskaya, 1989
Pseudalphestes Boulenger, 1895
Pseudanogmius Taverne, 2002
Pseudator Karaman, 1971
Pseudaustroglossus Chabanaud, 1937
Pseudetroplus Bleeker, 1862
Pseudhesperosuchus
Pseudoanguilla Cadrobbi, 1962
Pseudobeaconia Bordas, 1944
Pseudobelodella Armstrong, 1990
Pseudobelodina Sweet, 1979
Pseudobetta Richter, 1981
Pseudocallophysus Bleeker, 1862
Pseudocitharichthys Weber, 1913
Pseudocolliolus Gaemers, 1978
Pseudoculter Bleeker, 1859-60
Pseudodalatias Reif, 1978
Pseudodalatiidae
Pseudodon Kessler, 1874
Pseudodontichthyidae
Pseudodontichthys Skeels, 1962
Pseudoeleginus Sauvage, 1873
Pseudoetringus David, 1946
Pseudofurnishius van den Boogaard, 1966
Pseudogaleus Jaekel, 1894
Pseudogobiops Berg, 1914
Pseudogonatodus Gardiner, 1967
Pseudogondolella Yang Shouren, Wang Xinping & Hao Weicheng, 1986
Pseudogondwania Bardashev, Weddige & Ziegler, 2002
Pseudohelotes Guimarães, 1882
Pseudohindeodus Gullo & Kozur, 1992
Pseudoholocentrum Ararabourg, 1967
Pseudohypophthalmus Bleeker, 1862
Pseudolemuridae
Pseudolioteres Smith, 1958
Pseudolonchodina Zhou Xiyun, Zhai Zhiqiang & Xian Siyuan, 1981
Pseudolota Boghachev, 1933
Pseudomoringua Bleeker, 1865
Pseudomulloides Ribeiro, 1915
Pseudoneopanderodus Zhang, 1996
Pseudooneotodus Drygant, 1974
Pseudopanderodus Landing, 1979
Pseudopetalichthys Moy-Thomas, 1939
Pseudophidium Gratzianov, 1907
Pseudoplatichthys Hikita, 1934
Pseudopteraspis Stensiö, 1958
Pseudopterus Walbaum, 1792
Pseudopygodus Bischoff, 1986
Pseudorhina Jaekel, 1898
Pseudosauripterus White, 1961
Pseudosawara Munro, 1943
Pseudoscapanorhynchus Herman, 1975
Pseudoscyliorhinus Müller & Diedrich, 1991
Pseudosebastes Sauvage, 1878
Pseudoserranus Klunzinger, 1870
Pseudospinax Müller & Diedrich, 1991
Pseudosweetognathus Wang, Ritter & Clark, 1987
Pseudothrissops Sauvage, 1875
Pseudothryptodus Loomis, 1900
Pseudozarkodina Kozur & Mostler, 1973
Psilacanthus Quenstedt, 1856
Psilodus Costa, 1855-56
Psiloides Fischer de Waldheim, 1813
Psilopentapodus Fowler, 1933
Psilosomus Swainson, 1839
Psittacodon Agassiz, 1843
Psychromaster Jordan & Evermann, 1896
Psychropoecilia Myers, 1935
Psygmatolepis Geinitz, 1868
Ptax Jordan & Evermann, 1927
Ptenichthys Müller, 1843
Pteraclidus Rafinesque, 1815
Pteracontiodus Harris & Harris, 1965
Pteralbula Stinton, 1973
Pteraspidae
Pteraspididae
Pterellataxis Chauff, 1983
Ptericephalina Lioy, 1865
Pterichthus Lacepède, 1803
Pterichthyodidae
Pterichthys Swainson, 1839
Pternodus Garman, 1885
Pterocephala Swainson, 1839
Pteroclidus Agassiz, 1846
Pterodaustriidae
Pterodicromita Fowler, 1925
Pterognathus Girard, 1859
Pterogonaspis Zhu Min, 1992
Pterogrammatolepis Geinitz, 1868
Pteroidichtys Bleeker, 1856
Pterolepidops Fowler, 1947
Pterolepis Kiaer, 1911
Pteroleptus Swainson, 1839
Pteronemus Van der Hoeven, 1833
Pteroniscus Ghekker, 1948
Pterops Rafinesque, 1815
Pterorhombus Fowler, 1906
Pterospathodontidae
Pterospathodus Walliser, 1964
Pterozygus Pylaie de Fougères, 1835
Pterurus Swainson, 1839
Pterychthys Swainson, 1839
Pterygopterus Kner, 1867
Pterygotus Agassiz, 1839
Ptilognathus
Ptiloncodus Harris, 1962
Ptomacanthus Miles, 1973
Ptycacanthus Agassiz, 1838
Ptychacanthus Agassiz, 1837
Ptychaspis Bryant, 1935
Ptychodictyon Gross, 1973
Ptychodontidae
Ptycholepididae Brough, 1939
Ptychopleurus Agassiz, 1838
Ptyctodontidae
Ptyktoptychion Lees, 1986
Ptyonodus Cope, 1878
Pucabatis Cappetta, 1975
Pucadelphydae
Pucapampella Janvier & Suarez-Riglos, 1986
Puertollanopus Soler-Gijon & Moratalla, 2001
Pulinia Ma Fengchen, 1983
Pulmonella Blainville, 1837
Pulmonellum Blainville, 1830
Pusichthys Swainson, 1838
Putoranaspis Obruchev, 1964
Pycnacanthus Fischer de Waldheim, 1852
Pycnaspis Ørvig, 1958
Pycnoctenion Vorobeva, 1977
Pycnodontidae Agassiz, 1833
Pycnolepis Tarlo, 1965
Pycnomicrodon Hay, 1916
Pycnosteidae
Pycnosteus Preobrazenskii, 1911
Pygacanthus Owen, 1854
Pygodus Lamont & Lindström, 1957
Pygopteridae
Pyknolepidus David, 1956
Pyknotylacanthus Mutter & Rieber, 2005
Pyrena Forbes, 1838
Pyrenichthys Gayet & Lepicard, 1985
Pyrenophorus Le Danois, 1974
Pyrosomopsis Macdonald, 1864
Pyrsognathus Bischoff, 1986
Qianosuchus
Qicyprinus Zhou Jiajian, 1990
Qinghaichthys Zhu, 1981
Qingmenaspididae
Qingmenaspis Pan Jiang & Wang Shitao, 1981
Qingxiusaurus
Quadrarius Jordan, 1907
Quadrorites Qian & Ding, 1988
Quaesita Jordan & Gilbert, 1919
Quasipetalichthyidae
Quasipetalichthys Liu, 1973
Quassilabia Jordan & Brayton, 1878
Quataraspis White, 1969
Quayia Hunt, 1997
Quebecius Schultze, 1973
Queriblennius Whitley, 1933
Querigalaxias Whitley, 1935
Quincuncia Gilbert & Hubbs, 1920
Qujinolepididae
Qujinolepis Zhang Guorui, 1978
Rabdacanthus Pander, 1856
Rabdiolepis Emmons, 1857
Rabeignathus
Radamas Münster, 1843
Radcliffella Hubbs, 1923
Radiatignathus Tian, 1983
Radioporacanthodes Vergoossen, 1999
Radotina Gross, 1950
Radotinidae
Radulinellus Bolin, 1950
Rafinesquiellus Jordan & Evermann, 1896
Rahonavidae
Raineria Osswald, 1928
Raizero Jordan & Fesler, 1893
Rajabatis Pylaie, 1835
Rajitheca Steininger, 1966
Rambaibarnia Fowler, 1934
Ramphodontus Jaekel, 1906
Ramphodus Jaekel, 1903
Ramsaasalepis Blom, Märss & Miller, 2003
Ramularia Jordan & Evermann, 1898
Ranipterois Whitley, 1951
Rapaxavis
Rapidentichthys Branson, 1932
Rastrum Fowler, 1904
Razanandrongobe
Recurvacanthus
Recurvaeanthus Duffin, 1981
Redfieldiidae Hutchinson, 1973
Reganotilapia Whitley, 1950
Regitheriidae
Reifia Duffin, 1980
Renpetia Werner, 1989
Reptilia Laurenti, 1768
Reticulodus Murry & Kirby, 2002
Reticulolepis Aldinger, 1937
Reticuloolithus
Reutterodus Serpagli, 1975
Rewa Whitley, 1950
Rexroadus Zhang & Barnes, 2002
Rhabdaethiops Fowler, 1936
Rhabdiodus Rohon, 1893
Rhabdolepis Troschel, 1857
Rhabdopetersius Hoedeman, 1951
Rhabdosebastes Fowler & Bean, 1922
Rhabdura Ogilby, 1907
Rhabodlepidae
Rhachiaspis Elliott, 1984
Rhachiosteus Gross, 1938
Rhachistognathus Dunn, 1966
Rhadamas Münster, 1843
Rhadinacanthus Traquair, 1888
Rhadinichthyidae
Rhadinoniscus White, 1937
Rhaibodus Böhm, 1926
Rhamnubia Whitley, 1951
Rhamphobatis Gill, 1862
Rhamphodontus Jaekel, 1906
Rhamphornimia Costa, 1857
Rhamphosternarchus Günther, 1870
Rhaphiolepis Fowler, 1905
Rharbichthys Arambourg, 1955
Rhenonema Obruchev, 1964
Rhenoptera Hasselt, 1823
Rheogobio Banarescu, 1961
Rhinechidna Barbour, 1908
Rhinoberyx Gill, 1862
Rhinodipterus Gross, 1956
Rhinogobioides Rendahl, 1928
Rhinopteraspis Jaekel, 1919
Rhinosteidae
Rhinosteus Jaekel, 1911
Rhipidognathidae
Rhipidognathus Branson, Mehl & Branson, 1951
Rhipidolepis Agassiz, 1845
Rhipidoplax Trautschold, 1889
Rhipis Saint-Seine, 1950
Rhitidostomus Heckel, 1843
Rhizodontidae
Rhizodopsidae
Rhizolatrus Santos & Travassos, 1960
Rhizophryne Bertelsen, 1982
Rhodalepus
Rhodeops Fowler, 1910
Rhodesognathus Bergstrom & Sweet, 1966
Rhodopleuriscus Fowler, 1944
Rhomarchus Jordan & Gilbert, 1919
Rhombacanthus Williams, 1985
Rhombeus Valenciennes, 1843
Rhombiscus Jordan & Snyder, 1901
Rhomboderma Chabakov, 1927
Rhombodontidae
Rhomboides Goldfuss, 1820
Rhomboptychius Young, 1866
Rhomboteuthis Fowler, 1944
Rhomphaiodon Duffin, 1993
Rhomurus Jordan, 1919
Rhonchus Woodward, 1901
Rhopalasia Vogt, 1875
Rhopolasia Schepotieff, 1912
Rhymodus Davis, 1883
Rhynchias Gill, 1898
Rhynchocodes Costa, 1851
Rhynchodercetis Arambourg, 1944
Rhynchodipteridae
Rhynchodipterus Säve-Söderbergh, 1937
Rhynchodontus Jaekel, 1919
Rhynchognathodus Ethington, 1959
Rhynchognathus Ethington, 1959
Rhynchoncodes Costa, 1850
Rhynchosalpa Costa, 1866
Rhynchosauroides
Rhynchosteus Jaekel, 1925
Rhynchostomias Regan & Trewavas, 1930
Rhynchotes Troschel, 1856
Rhynchoxys Agassiz, 1846
Rhyncthitys Swainson, 1839
Rhytidostomus Heckel, 1843
Richiella Coker, 1927
Richmondichthys Bartholomai, 2004
Rictugobius Koumans, 1932
Rigaudia Varol & Houghton, 1996
Rincoxis Rafinesque, 1815
Ringinia Whitley, 1950
Rinodus Newberry & Worthen, 1866
Rixator Jordan & Gilbert, 1920
Rochus Eichwald, 1845
Rodriguezichthyes Dalquest, Kocurko & Grimes, 1988
Roeboxodon Géry, 1959
Rogenio Jordan, 1907
Rogenites Jordan, 1919
Rohitodes Bleeker, 1860
Rohonodus Schallreuter, 1983
Rohonosteus Tarlo, 1965
Rolfosteus Dennis & Miles, 1979
Romerodus Zangerl, 1981
Romundina Orvig, 1975
Rongolepis Sansom, Aldridge & Smith, 2000
Rosagnathus Rhodes, 1955
Rosanthias Tanaka, 1918
Rosicola Jordan & Evermann, 1896
Rossodus Repetski & Ethington, 1983
Rostrinus Jarocki, 1822
Rothwellia David, 1946
Rotodactylidae
Rotsikullaspis Robertson, 1938
Rotundacodina Carls & Gandl, 1969
Rotundoconus An & Zhang, 1983
Roundya
Rubellio Fleming, 1828
Rubellus Fitzinger, 1874
Rubidgeidae
Rubidginidae
Rubidus Richter, 2002
Rubusqualus Whitley, 1931
Ruhnulepis Blom, Märss & Miller, 2002
Runulops Ogilby, 1910
Ruppellianus Danil'chenko, 1950
Rushlandia Bock, 1959
Rusulus Starks & Mann, 1911
Rynchotus Hollard, 1857
Rytidaspis McCoy, 1890
Saaremaspis Robertson, 1938
Sabrinacanthus Miles, 1973
Sachroa Rafinesque, 1814
Sacisaurus
Sacrestinus Jordan, Evermann & Tanaka, 1927
Sacrionota Zittel, 1880
Safagaia Cappetta, 1991
Safole Jordan, 1912
Sagenodontidae
Sagittabarilius Fowler, 1936
Sagittodontina Knupfer, 1967
Sagittodontus Rhodes, 1953
Saharastega
Sakamenichthys Lehman, 1959
Salecia Gmelin, 1790
Salfitichnus Alonso & Marquillas, 1986
Salignathus Zhang, Barnes & Cooper, 2003
Salius Minding, 1832
Salmosaurus Minding, 1832
Salpella Bronn, 1862
Saltasauridae
Samanadrinda
Sanchaspididae
Sanchaspis Pan Jiang & Wang Shitao, 1981
Sandakanus Herre, 1942
Sandat Cloquet, 1827
Sandroserrus Gervais, 1852
Sanidaspis Bystrow, 1959
Sannemannia Al-Rawi, 1977
Sanpasaurus
Sanqiaspididae
Sanqiaspis Liu, 1975
Santanasalmo Gallo, de Figueiredo & Azevedo, 2009
Santosichthys Malabarba, 1988
Santosius Arratia, 1982
Sanxiagnathus Ni, 1987
Sapheosauridae
Sarcinota Costa, 1856
Sarcionota Costa, 1856
Sarcobotryllus Michaelsen, 1915
Sarcoleptoclinum Oka & Willey, 1892
Sarcoprion Nielsen, 1952
Sarcopterygii
Sarginites Costa, 1850
Sargodon Plieninger, 1847
Sarjeantopodus Lockley, Nadon & Currie, 2004
Sarmata Boghachev, 1933
Sarmientichnus
Sarmullus Smith, 1833
Sauranodontidae
Saurexallopus Harris, 1997
Saurichthyes
Saurichthyidae Stensiö, 1925
Sauridichthys Bleeker, 1858
Saurischichnus
Sauritolepis Hall, 1840
Saurodontidae
Sauroeidepus
Saurolophidae
Sauropleuridae
Sauropodidae
Sauropsidium Costa, 1850
Saurorhamphus Heckel, 1849
Saurostomus Agassiz, 1833
Saurus S.D.W., 1837
Scabbardella Orchard, 1980
Scaldia Le Hon, 1871
Scaldiraja Whitley, 1950
Scaliognathus Branson & Mehl, 1941
Scalopidae
Scalpellodus Dzik, 1976
Scandodus Lindström, 1954
Scanilepididae
Scanilepis Aldinger, 1937
Scapellites Pruvost, 1924
Scaphaspis Lankester, 1865
Scaphignathus Ziegler, 1962
Scaphodus Woodward, 1890
Scaphognathidae
Scapulidens Ethington, Droste & Rexroad, 1986
Scardiniopsis Jaeckel, 1864
Scardinopsis Benecke, 1884
Scaroides Toula, 1909
Scartoblennius Fowler, 1946
Scatharus Cuvier & Valenciennes, 1830
Scathurus Swainson, 1839
Scaumenella Graham-Smith, 1935
Sceletophorus Fritsch, 1894
Schadipes
Schidiosteus Pander, 1856
Schipa Brandt, 1869
Schistorus Gill, 1863
Schizolepis Gottfried, 1992
Schizospondylus Fritsch & Bayer, 1902
Schizosteus Obruchev, 1940
Schizurichthys Wade, 1935
Schmidtognathus Ziegler, 1965
Schopfodus Leslie, 1996
Schour Forskål, 1775
Schroederobatis Hulley, 1973
Sciadeoides Eigenmann & Eigenmann, 1888
Sciaenus Lacepède, 1803
Scidorhombus Tanaka, 1915
Sclerobrancha Pagenstecher, 1878
Scleroderma Pagenstecher, 1881
Sclerodontidae
Sclerolepis Eichwald, 1844
Scobatus Whitley, 1939
Scolenaspididae
Scoliorhiza Raymond, 1925
Scoliostomus Rüppell, 1828
Scolopodus Pander, 1856
Scomberessus Jordan, 1920
Scomberodon Beneden, 1871
Scopas Bonaparte, 1831
Scopelapogon Whitley, 1933
Scopularia de Buen, 1959
Scorpaenopterus Steindachner, 1859
Scorpius Lacepède, 1802
Screbinodus Andrews, 1985
Scrobodus Münster, 1842
Scurrilichthys Fraser-Brunner, 1941
Scutatuspinosus da Silva Santos & Correa, 1985
Scutica Jordan & Evermann, 1896
Scutula Sannemann, 1955
Scyphiodus Stauffer, 1935
Scytallurus Duméril, 1856
Scythogondolella Kozur, 1990
Scytinoma Rafinesque, 1815
Sealeina Fowler, 1907
Sebastavus Jordan & Gilbert, 1919
Sebastinus Jordan, 1920
Sebastocarus Jordan & Evermann, 1927
Sebastocles Jordan & Hubbs, 1925
Sebastoessus Jordan, 1920
Sebastopyr Jordan & Evermann, 1927
Sechmetia Werner, 1989
Securiaspis Stensiö, 1932
Sedenhorstia White & Moy-Thomas, 1941
Sedowichthys Bystrow, 1957
Seefeldia Nybelin, 1974
Segisauridae
Selachidea Quenstedt, 1852
Seleima Bowdich, 1825
Selenosteidae
Selenosteus Dean, 1901
Selenostomus Minding, 1832
Selerolepis Eichwald, 1846
Seletellus Gridina, 1991
Selota Strand, 1942
Semablennius Fowler, 1954
Semeniolum Gaemers, 1984
Semiacontiodus Miller, 1969
Semiculter Chu, 1935
Semirotulognathus Ji & Xiong, 1985
Semitapicis Eigenmann & Eigenmann, 1889
Semophorus Agassiz, 1835
Sentacanthus Kulczycki, 1957
Sephardiella March, Budurov, Hirsch & Marquez-Aliaga, 1988
Sephenia Rafinesque, 1815
Septaspis Afanassieva, 2000
Septentrionia Blom, Märss & Miller, 2002
Seretaspis Stensiö, 1958
Seretolepis Karatajute-Talimaa, 1968
Serictius Swainson, 1839
Seridermis Swainson, 1839
Seriolophus Guichenot, 1867
Serra Oken, 1816
Serraculodus Fåhraeus & Hunter, 1985
Serraellataxis Chauffe & Nichols, 1995
Serranguilla Whitley & Phillipps, 1939
Serranichthys Bleeker, 1855
Serranochromus Regan, 1920
Serraria Gilbert, 1884
Serratidentex Gaemers, 1985
Serratocambria Müller & Hinz, 1991
Serratocentrus Gaudant, 1969
Serratocorona Chen, 2002
Serratodus Koninck, 1878
Serratognathus Lee, 1970
Serrolepis Quenstedt, 1852
Setlikia Stamberg & Zajic, 1994
Severaspis Mark-Kurik & Janvier, 1995
Severnichthys Storrs, 1994
Sgairhynchus Costa, 1849
Shandongodus An Tai-xiang & Tai-xiang, 1982
Shandongornipodidae
Shankouclava Chen, Huang, Peng, Chi, Wang & Feng, 2003
Shanshanosauridae
Shanyangosaurus
Shartegosuchidae
Shearsbyaspis Young, 1984
Shensipus
Shidaisaurus
Shimenolepis Wang Junqing, 1991
Shipa Brandt, 1869
Shippofugu Abe, 1949
Shipwayia Whitley, 1954
Shiqianolepis Sansom, Aldridge & Smith, 2000
Shirolepis Vorobyeva, 1977
Shosaifugu Abe, 1949
Shuangmiaosaurus
Shuniscus Su Dezao, 1983
Shurcabroma Whitley, 1951
Shuvosauridae
Siaja Bleeker, 1859-60
Siamodus Long, 1990
Siamopodus
Siberiaspididae
Siberiaspis Obruchev, 1964
Sibiriodus Moskalenko, 1982
Sibyrhynchidae
Sibyrhynchus Zangerl & Case, 1973
Sicarius Leidy, 1855
Sichuanognathodus Dai, 1989
Sicya Jordan & Evermann, 1896
Sicydiops Bleeker, 1874
Sicyosus Jordan & Evermann, 1898
Sidjan Forskål, 1775
Siemensichthys Arratia, 2000
Sierra Fowler, 1905
Sigaspis Goujet, 1973
Sigilmassasauridae
Sigmopharyngodon Uyeno, 1961
Sigmurus Jordan & Evermann, 1898
Signeuxella de Saint Seine, 1955
Sigurdia Heintz, 1972
Siksika Lund, 1989
Sillaginichthys Bleeker, 1876
Silmalepis Blom, Märss & Miller, 2002
Silphedestidae
Silus Gill, 1863
Simblaspis Denison, 1958
Simmorius
Simobrama Fowler, 1944
Simocampus Fritzsche, 1980
Simocantharus Fowler, 1933
Simopteraspis White, 1950
Simosteus Dennis & Miles, 1982
Simosyngnathus Fowler, 1940
Sinamia Stensiö, 1935
Sindacharax Greenwood & Howes, 1975
Singida Greenwood & Patterson, 1967
Sinibarbus Sauvage, 1874
Sinigobio Chu, 1935
Sinkiangichthys Liu, 1958
Sinkorax Whitley, 1965
Sinogaleaspis Pan & Wang, 1980
Sinoglossus Su Dezao, 1986
Sinogobius Liu, 1940
Sinohelicoprion Liu & Chang, 1963
Sinolepididae
Sinolepidotus ZheJiang Museum, 1976
Sinolepis Liu & P'an, 1958
Sinolycoptera Yakovlev, 1965
Sinomyrus Lin, 1933
Sinoniscus Liu & Wang, 1978
Sinopetalichthys P'an & Wang, 1975
Sinoplatysomus Wei Feng, 1977
Sinosauropterygidae
Sinosemionotus Yuan & Koh, 1936
Sinosturio Jaekel, 1929
Siphonodella
Siphonodus Fischer de Waldheim, 1852
Siphonognathus Branson & Mehl, 1933
Sirembola Schwarzhans, 1981
Sixtelia Sytchevskaya, 1999
Siyingia Wang Nianchong & Wang Junqing, 1982
Siyuichthyidae
Siyuichthys Su Dezao, 1985
Skaiostyela Sluiter, 1904
Skalviaspis Karatajute-Talimaa, 1989
Skamolepis Karatajute-Talimaa, 1978
Skeletognathus Sandberg, Ziegler & Bultynck, 1989
Skiichthys Smith & Sansom, 1997
Smecticus Valenciennes, ?, 1855
Smiliogaster Bleeker, 1859-60
Smithites Jordan & Gilbert, 1919
Smithodus Budurov, Buryi & Sudar, 1988
Smithraja Herman, 1986
Soarus Link, 1790
Sodolepis Karatajute-Talimaa & Novitskaya, 1997
Soederberghia Lehman, 1959
Soetendalichthys Gardiner, 1969
Sokodara Iwamoto, 1979
Soldago Latreille, 1825
Solenodus Trautschold, 1874
Solenognathus Branson & Mehl, 1933
Somnisphinax Whitley, 1940
Songanella Saint-Seine & Casier, 1962
Songdalepis Janvier, Pham Kim Ngan & Ta Hoa Phuong, 1996
Sonidosaurus
Sophialepis Märss, Wilson & Thorsteinsson, 2002
Soranus Rafinesque, 1815
Sorbinicapros Bannikov & Tyler, 1999
Sorbinichthys Bannikov & Bacchia, 2000
Sorbininardus Taverne, 1999
Sorbiniperca Tyler, 1998
Sorbitorhynchus Wang Shitao, Drapala, Barwick & Campbell, 1990
Soricidens Münster, 1842
Soroavisaurus
Spanius Gistl, 1848
Sparoides Probst, 1874
Sparosoma Sauvage, 1883
Sparsoma Sauvage, 1883
Spathiurus Davis, 1887
Spathognathodontidae
Spathoicriodus Budurov, Sudar & Gupta, 1987
Spathularia Eichwald, 1831
Spatularia Shaw, 1804
Spatulaspis Janvier, 1985
Speirsaenigma Wilson & Williams, 1991
Speonesydrion Campbell & Barwick, 1983
Speonesydrionidae
Spermatodus Cope, 1894
Sphaerolepis Fritsch, 1877
Sphaeronchus Stinton & Torrens, 1968
Sphagepoea Cope, 1869
Sphagesauridae
Sphagodus Agassiz, 1839
Sphenacanthus Agassiz, 1837
Sphenolepis Agassiz, 1843
Sphenoncus Agassiz, 1846
Sphenonectris Wilson & Caldwell, 1998
Sphenosargus Fowler, 1940
Sphyraenocharax Fowler, 1907
Sphyraera Fischer, 1808
Sphyrichthys Thienemann, 1828
Sphyrnias Rafinesque, 1815
Spilostomias Regan & Trewavas, 1930
Spinacites Fritsch, 1894
Spinacorhinus Agassiz, 1835
Spinarichthys Stamberg, 1988
Spinipercina Fowler, 1944
Spiniraja Whitley, 1939
Spinocaudichthys Filleul & Dutheil, 2001
Spinodus Dzik, 1976
Spinogadus Smirnov, 1936
Spinophoxinellus Karaman, 1972
Spirangium Schimper, 1870
Spiraxis Newberry, 1885
Spirlingus Fatio, 1890
Spirodus Kade, 1858
Spitsbergaspis Pernegre, 2003
Spodichthys Jarvik, 1985
Spokoinolepis Blom, Märss & Miller, 2002
Sponysedrion
Sporetodus Cope, 1874
Sporlederia A.W. Stiehler, 1860
Sporolepis Romanowsky, 1864
Spratticeps Patterson, 1970
Spurco Cuvier & Valenciennes, 1829
Squalalburnus Berg, 1932
Squamatognathus Hanke, Stewart & Lammers, 1996
Squatinactidae
Squatinactis Lund & Zangerl, 1974
Starksina Fowler, 1907
Starrias Jordan, 1925
Staufferella Sweet, Thompson & Satterfield, 1975
Staurognathus Branson & Mehl, 1941
Stearopterus Minding, 1832
Steganodictyum M'Coy, 1851
Stegobranchiaspis Elliott, 1983
Stegolepis Malinovskaya, 1973
Stegotrachelidae
Stegotrachelus Woodward & White, 1926
Steinaspis Obruchev, 1964
Steinbachodontidae
Steinbachodus Reif, 1980
Stellicarens Gilbert, 1898
Stemmatias Hay, 1899
Stemmatodus St. John & Worthen, 1875
Stenacanthus Leidy, 1856
Stenamara Poyato-Ariza & Wenz, 2000
Stenomera Rafinesque, 1820
Stenometopus Troschel, 1856
Stenopelixidae
Stenoprotome Hay, 1903
Stenopterodus St. John & Worthen, 1883
Stenoptryx Gray, 1842
Stenosteus Dean, 1901
Stensioella Broili, 1933
Stensioellidae
Stensionotus Lehman, 1952
Stensiopelta Denison, 1951
Stepanovites Kozur, 1975
Stephanophryne Bertelsen, 1982
Stephanosalpa Bonnier & Pérez, 1903
Stephastoma Rafinesque, 1814
Steptotaxis Uyeno & Klapper, 1980
Stereoconus Branson & Mehl, 1933
Stereodus Owen, 1865
Stereolepidella Whitley, 1954
Sterleta Güldenstädt, 1772
Sterletus Bonaparte, 1846
Sterropterygion Thomson, 1972
Stethacanthidae
Stethacanthulus Zangerl, 1990
Stethochaetus Günther, 1854
Stethopterus Bleeker, 1853
Stichacanthus Koninck, 1878
Stigmolepis Pander, 1856
Stilbe De Kay, 1842
Stilbius Gill, 1865
Stiptognathus Ethington, Lehnert & Repetski, 2000
Stolodus Lindstrom, 1971
Stomiahykus Bernacsek, 1977
Stomocatus Bonaparte, 1841
Stomogobius Whitley, 1931
Stormbergia A.C. Seward, 1911
Strabo Kner & Steindachner, 1866
Strachanognathidae
Strachanognathus Rhodes, 1955
Straitonia Thomson, 1965
Stranganolepis Agassiz, 1845
Streber Schaeffer, 1761
Strepheoschema White, 1927
Strepheoschematidae
Streptognathodus Stauffer & Plummer, 1932
Streptospondylidae
Striacanthus Hills, 1931
Striaconus Ni, 1987
Striatodontus Ji & Barnes, 1994
Strigaconus Druce & Jones, 1971
Strigilina Cope, 1878
Strobilodus Wagner, 1851
Strongyliscus Jordan, 1925
Strophisterus
Strophosolidium Pyankovskii, 1989
Strosipherus
Strosispherus Pander, 1856
Strotes Gistl, 1848
Stuertzaspis Westoll & Miles, 1963
Stultodontus Ji & Barnes, 1994
Stupens Whitley, 1954
Stylodus Sauvage, 1882
Styloichthys Zhu & Yu, 2002
Stylophthalmella Roule & Angel, 1930
Stylophthalmoides Sanzo, 1915
Styptobasis Cope, 1892
Styracocephalidae
Styracodus Germar, 1849
Styracopteridae
Styracopterus Traquair, 1890
Subathunura Kumar & Loyal, 1987
Subbryantodus Branson & Mehl, 1933
Subtiliolithidae
Subungulata
Suillus Catesby, 1777
Sullus Oken, 1816
Sundayichthys Gardiner, 1969
Sunolepis Liu, 1957
Sunwapta Thomson, 1967
Superciliaspis Adrain & Wilson, 1994
Superglyptothorax Li, 1986
Surcaudalus Leu, 1989
Suzhousaurus
Suziichthys Su Dezao, 1992
Swainia Jordan & Evermann, 1896
Sweetina Wardlaw & Collinson, 1986
Sweetocristatus Szaniawski, 1979
Sweetognathidae
Sweetognathus
Sweetohindeodus Kozur, 1996
Sweetospathodus Kozur, Mostler & Krainer, 1998
Syletophis Whitley, 1950
Syletor Jordan, 1919
Syllaemus Cope, 1875
Symboulichthys Chabanaud, 1927
Symmetrosulcus Schwarzhans, 1981
Symmetrurus Jordan, 1878
Symmoriidae
Symphelos Rafinesque, 1820
Symphocles Rafinesque, 1815
Symphoma Rafinesque, 1815
Symphysoglyphus Ribeiro, 1913
Sympodoichthys Facciolà, 1888
Symproptopterurus Carus, 1893
Symproptopterus Cocco, 1885
Synapteretmus Goode & Bean, 1896
Synascidia Carter, 1885
Synauchenia Gross, 1932
Synclavelina Ritter, 1903
Synclydognathus Rexroad & Varker, 1992
Synechodontidae
Synistius Gill, 1863
Synnema Haast, 1873
Synodon Minding, 1832
Synodontes Minding, 1832
Synosteus Jaekel, 1926
Syntegmodus Loomis, 1900
Synthetodus Eastman, 1897
Syrictes Jordan & Evermann, 1927
Syrraxis Bonaparte, 1841
Syrrhaxis Agassiz, 1846
Systirgia Beck, 1847
Systolichthys Beltan, 1972
Szeaspis Liu, 1979
Szechuanaspis P'an & Wang, 1975
Tabacaria Gouan, 1770
Tacuarembovum
Taemasacanthus Long, 1986
Taenarichthys Whitley, 1953
Taenarus Whitley, 1951
Taenianotes Marion de Procé, 1822
Taeniolepis Gross, 1932
Taenionotus Oken, 1816
Taenisoma Swainson, 1839
Tafilalichthys Lehman, 1956
Tahhmel Forskål, 1775
Tahulalepis Blom, Märss & Miller, 2002
Takenokius Matsubara, 1943
Talivalia Märss, Wilson & Thorsteinsson, 2002
Tambra Bleeker, 1860
Tamiobatidae
Tanaisognathus Lipnjagov, 1983
Tanaocrossus Schaeffer, 1967
Tanaodus St. John & Worthen, 1875
Tangshanodus An, 1983
Tangus Rafinesque, 1815
Tannayia Ribeiro, 1918
Tannuaspididae
Tanypterichthys Weems & Windolph, 1986
Tanyrhinichthys Gottfried, 1987
Taoqupognathus An, 1985
Taphrognathus Branson & Mehl, 1940
Tapinosaurus
Tapinosteus Stensiö, 1963
Tarachomylax Barwick, Campbell & Mark-Kurik, 1997
Tardogondolella Bender, 1970
Tareyaspis Novitskaya, 1968
Tarimacanthus Zhu, 1998
Tarimspira Yue & Gao, 1992
Tarrasiidae
Tarrasius Traquair, 1881
Tarsichthys Troschel, 1854
Taschtypella Sergienko, 1972
Tasica Rafinesque, 1815
Tasmanognathus Burrett, 1979
Taunaspis Schmidt, 1933
Taunis Rafinesque, 1815
Tauphysa Rendahl, 1933
Tauraspis Mark-Kurik & Janvier, 1995
Taurinichthys Cocchi, 1864
Tavania Landini & Menesini, 1978
Tchernovichthys Gayet, 1994
Tchunacanthidae Karatajute-Talimaa & Smith, 2003
Tegaspis Wängsjö, 1952
Tegeolepididae
Tegeolepis Miller, 1892
Tekla Nichols, 1922
Telara Günther, 1868
Teleocrater
Teleopterina Berg, 1936
Teleosteus Volger, 1860
Telepholis Marck, 1868
Telescops Bleeker, 1876
Telipomis Rafinesque, 1820
Tellerodus Lehman, 1976
Telmatornithidae
Temeculina Cockerell, 1909
Temnochila Heckel, 1849
Temnochyla Heckel, 1849
Tendaguriidae
Tengujei Ishiyama, 1958
Tenizolepis Malinovskaya, 1977
Tenuislepis Sergienko, 1974
Teoichthys Applegate, 1989
Tepexichthys Applegate, 1992
Teratosauridae
Terenolepis Burrow, 1995
Tergestinia Capasso, 2000
Teridontus Miller, 1980
Terpolepis McClelland, 1844
Terskeya Nessov, 1994
Tesakoviaspis Karatajuta-Talimaa & Meredith Smith, 2004
Teslepis Karatajute-Talimaa & Novitskaya, 1992
Tesseraspidae
Tesseraspis Wills, 1935
Tetanopsyrus Gagnier, Hanke & Wilson, 1999
Tetheodus Cope, 1874
Tetrades Bleeker, 1865
Tetraprioniodus Lindström, 1954
Tetrostichodon Tchang, Yueh & Hwang, 1964
Texania Pohler, 1994
Texatrygon Cappetta & Case, 1999
Teyuwasu
Thaenionotus Boie, 1832
Thaerodontis McClelland, 1844
Thaiodus Cappetta, Buffetaut & Suteethom, 1990
Thalassoklephtes Gistl, 1848
Thaliacea
Thaumas Münster, 1842
Thaumatacanthus Waagen, 1879
Thaumatolepis Obruchev, 1941
Thectodus Plieninger, 1844
Theiophytalia
Thelolepoides Fowler, 1958
Themistocles Whitley, 1939
Theocopterus Smith, 1904
Therangospodus Lockley, Meyer & Moratalla, 2000
Therapaina Kaup, 1860
Thereuodontidae
Thescelosauridae
Thetaraia Jordan, 1925
Thetyon Johnston, 1840
Theyton McMurtrie, 1834
Thlattodus Owen, 1866
Tholodus Meyer, 1848
Tholonosteon Beltan, 1978
Tholonotus Dunkle & Schaeffer, 1956
Thoplosus Agassiz, 1865
Thoracatherina Fowler, 1941
Thoracodus Cope, 1883
Thoracopteridae
Thoracopterus Bronn, 1858
Thoralodus
Thrausmosaurus
Thrinacodus St. John & Worthen, 1875
Thrincodus Bauer, 1987
Thrissomimus Jordan & Evermann, 1911
Thrissonotus Agassiz, 1844
Thrissopteroides Marck, 1873
Thrissopterus Heckel, 1856
Thryptodus Loomis, 1900
Thulolepis Blom, 1999
Thyellina Münster, 1838
Thyestiidae
Thymalloides Berg, 1908
Thynnichthyina Fowler, 1937
Thyreoconger Wade, 1946
Thysanocara Regan, 1906
Thysanolepis Vorobyeva, 1977
Tianchungosaurus
Tianfuichthys Su, 1996
Tiaraspis Gross, 1962
Tiarodontus Whitley, 1953
Tibetodus Young & Liu, 1954
Tichlingerichthys Arratia, 1997
Tienshaniscus Liu & Wang, 1978
Tilesia Swainson, 1838
Timanaspididae
Timanosteus Obrucheva, 1962
Timnus Costa, 1842
Tinimogaster Bonaparte, 1846
Tinomogaster Bonaparte, 1845
Titanichthyidae
Titanichthys Newberry, 1885
Titanopterygiidae
Titanosaurimanus Dalla Vecchia & Tarlao, 2000
Tityosteus Gross, 1960
Tjalvichthys Lund, 1968
Tjalvis Lund, 1968
Tnoralaspis Young & Goujet, 2003
Todia Gervais, 1842
Todiltia Schaeffer & Patterson, 1984
Tokeenia Savage, 1985
Tokoconus Stait & Druce, 1993
Tollichthys Bystrow, 1957
Tolypaspis Schmidt, 1893
Tolypelepididae
Tolypelepis Pander, 1856
Tomaiosteus Kulczycki, 1957
Tomognathus Agassiz, 1850
Tongdzuylepis Janvier & Phuong, 1999
Tonghuaichthys Ma & Sun, 1988
Tongxinichthys Ma Fengchen, 1980
Toombsaspis Tarrant, 1991
Toombsosteus White, 1978
Torosteus Gardiner & Miles, 1990
Torpedaspidae
Torpedaspis Broad & Dineley, 1973
Toshia Whitley, 1933
Toxopoma Owen, 1854
Toxoprion Hay, 1910
Toxotodus Smith, 1991
Toyamasauripus Matsukawa, 1997
Trachelacanthus Fischer de Waldheim, 1850
Trachibrama Heckel, 1843
Trachinopsis Sauvage, 1875
Trachinostomias Parr, 1927
Trachodontidae
Trachosteus Newberry, 1890
Trachybrama Bleeker, 1863
Trachymetopon Hennig, 1939
Trachyurus Agassiz, 1846
Tracorus Rafinesque, 1810
Tranodis Thomson, 1965
Trapezognathus Lindström, 1954
Traquairaspididae
Traquairia Fritsch, 1893
Traquairichthys Whitley, 1933
Traquairius Lund & Grogan, 1997
Traquairosteus Tarlo, 1965
Trebiciania Sorbini & Bannikov, 1996
Tremataspididae
Trematosteidae
Trematosteus Gross, 1932
Tremeropugus Smith, 1831
Tretoperca Sytchevskaya, 1986
Tretospondylia
Trewavasia White & Moy-Thomas, 1941
Triacanthurodes Fowler, 1944
Triaenaspis Cope, 1878
Triangulodus van Wamel, 1974
Triarcus Waite, 1910
Triassodus Su Dezao, 1984
Triassospathodus Kozur, 1998
Triazeugacanthus Miles, 1966
Tribodus Brito & Ferreira, 1989
Trichis Lacepède, 1803
Trichobrachirus Chabanaud, 1938
Trichochirus Regan & Trewavas, 1930
Trichocyclus Günther, 1870
Trichodus Plieninger, 1860
Trichopharynx Ogilby, 1898
Trichophasia Swainson, 1839
Trichopleura Kaup, 1858
Trichorhipis Zangerl, 1973
Tricladiodus Mound, 1965
Triclonostomias Regan & Trewavas, 1930
Tricopterus Rafinesque, 1810
Tricostatus Ji & Barnes, 1994
Tricropterus Rafinesque, 1810
Tridensaspis Liu Shifan, 1986
Trieropterus Rafinesque, 1815
Trigloides Van Beneden, 1871
Triglossium Giard, 1886-87
Trigonobatus Blainville, 1816
Trigonodus Newberry & Worthen, 1866
Trigrammnus Gratzianow, 1907
Triloburus Gill, 1861
Trimabus
Trinematichthys Bleeker, 1859-60
Tripelta Wade, 1940
Triplopterus M'Coy, 1855
Tripodontus Knupfer, 1967
Tripodus Bradshaw, 1969
Tripterus M'Coy, 1848
Triradulifer Fraser-Brunner, 1941
Trirhadicodus Harris, 1964
Trisauropodiscidae
Trissolepididae
Trissolepis Fritsch, 1893
Tristichopteridae
Tristychius Agassiz, 1837
Triurobrycon Eigenmann, 1909
Trolmenia Müller & Hinz, 1991
Tropidosteus Gross, 1933
Tropinema Nessov & Mark-Kurik, 1998
Tropodus Kennedy, 1980
Trossulus Jordan, 1921
Trundlelepis Burrow, 1997
Trycera Döderlein, 1884
Trygonidae
Tselfatia Arambourg, 1944
Tsuifengshanolepis Pan & Wang, 1978
Tuberculaspis Ilyes & Elliott, 1994
Tuberocostadontus Zhou Xiyun, Zhai Zhiqiang & Xian Siyuan, 1981
Tuberospina Lebedev, 1995
Tubonasus Dennis & Miles, 1979
Tubulacanthus Fritsch, 1889
Tungusichthyidae Berg, 1941
Turgajselachia Zhelezko, 1989
Turiasaurus
Turiniidae Obruchev, 1964
Turio Jordan & Gilbert, 1920
Turnovichthys Stamberg, 2001
Turrisaspis Daeschler, Frumes & Mullison, 2003
Tuvalepis Zigaite & Karatajute-Talimaa, 2008
Tuxekania Savage, 1985
Tuxeraspis Novitskaya, 1971
Tvaerenognathus Bergström, 1962
Twingonia Pascoe, 1908
Tydeus Sauvage, 1870
Tylodus Rohon, 1893
Tymnus Costa, 1847
Typhlinus Rafinesque, 1815
Typhlobranchus Schneider, 1801
Typhlotes Fischer, 1813
Typodus Quenstedt, 1858
Tyriaspididae
Tyriolepis Karatajute-Talimaa, 1968
Tythonichthys
Uarbrichthyidae
Uberabatitan
Ubinates Baesemann & Purnell, 2000
Uchkudukodon
Uhangrichnus Yang, Lockley, Greben, Erickson & Lim, 1995
Uighuroniscus Su, 1985
Ulapiscis Whitley, 1933
Ulaula Jordan & Thompson, 1911
Ulcigobius Fowler, 1918
Ulrichodina Furnish, 1938
Ulrichosteus Lelièvre, 1982
Ulutitaspis Elliott, 1984
Umbolota Gaemers, 1985
Umbrula Jordan & Eigenmann, 1889
Undichna Anderson, 1976
Unquillosaurus
Upselonphorus Gill, 1861
Upsilonphorus Jenkins, 1887
Uralosteus Mark-Kurik & Young, 2003
Uranganops Whitley, 1943
Uraniacanthus Miles, 1973
Uranolophidae
Uranolophus Denison, 1968
Uranoplosus Sauvage, 1879
Uriphaeton Swainson, 1839
Urocomus Costa, 1862
Urolepis Bellotti, 1857
Uronectes Günther, 1862
Uronemidae
Urophaethon Agassiz, 1846
Uropsetta Gill, 1863
Uropterina Lioy, 1865
Uropteryx Agassiz, 1835
Urosthenes Dana, 1848
Urosthenidae
Urostomias Regan & Trewavas, 1930
Uroxis Rafinesque, 1810
Ursinidae
Urumchia
Usa Whitley, 1927
Usinasita Jordan & Evermann, 1903
Usinosita Jordan, 1919
Usinosta Jordan & Snyder, 1901
Usinostia Jordan & Snyder, 1900
Utahacanthus Schultz, 1990
Utahconus Miller, 1980
Utatsusauridae
Uydenia Kazantseva-Selezneva, 1980
Uydenichthys Kazantseva-Selezneva, 1980
Uyenoa Kuga, 1985
Vaillantoonia Meunier, 1891
Valiukia Karatajute-Talimaa & Märss, 2002
Vallecillichthys Blanco & Cavin, 2003
Vallicola Trewavas, 1983
Vallisia Duffin, 1982
Vanchienolepis Tong-Dzuy & Janvier, 1990
Vanderbiltella Fowler, 1936
Varasichthys Arratia, 1981
Variabiloconus Landing, Barnes & Stevens, 1986
Varialepis Minich, 1990
Variletta Humboldt, 1807
Vasnetzovia Sytchevskaya, 1986
Vastanavis
Vastanidae
Vaticinodus St. John & Worthen, 1883
Vectichthys Gaudant & Quayle, 1988
Velifracta Jordan, 1907
Venezuelepis Young & Moody, 2002
Ventalepis Schultze, 1980
Ventricodus Pyle & Barnes, 2002
Verdithorax Whitley, 1931
Vernicomacanthus Miles, 1973
Veronavelifer Bannikov, 1990
Verrunculus Jordan, 1924
Verulux Fraser, 1972
Vescornis
Vesikulepis Blom, Märss & Miller, 2002
Vesperaliidae Valiukevicius & Burrow, 2005
Vetacapsula Mackie, 1865
Vexillicaranx Fowler, 1905
Vietnamaspis Long, 1990
Viirodus Dubinina, 2000
Vilkitskilepis Märss, 2002
Viluichthys Vorobyeva, 1977
Vivero Jordan & Evermann, 1927
Vixperca de la Pena Zarzuelo, 1991
Vjaloviodus Gagiyev, 1984
Vjalovites Kozur, 1976
Vjalovognathus Kozur, 1977
Vjushkoviidae
Vladymiria Sytcheskaya, 1989
Vogelgnathus Norby & Rexroad, 1985
Volaticotheriidae
Volchodina Sergeeva, 1974
Volcichthys D'Erasmo, 1946
Volgelgnathus
Vomerivulus Fowler, 1944
Vorator Jordan, 1925
Vorobjevaia Young, Long & Ritchie, 1992
Vukhuclepis Janvier, Thanh, Phuong & Truong, 1997
Vulsiculus Jordan & Evermann, 1896
Wachnia Steller, 1810
Wachnja Steller, 1810
Waengsjoeaspis Janvier, 1985
Waiteina Fowler, 1907
Wajidosteus Forey, Young & McClure, 1992
Walliserella Schulke, 1999
Walliserodus Serpagli, 1968
Walterilepis Moloshnikov, 2001
Walterosteus Stensiö, 1959
Wandelia Smith, 1991
Wangolepis Pan, 1987
Wardichthys Traquair, 1875
Wardlawella Kozur, 1995
Warreenula Whitley, 1941
Watsonacanthus Valyukyavichyus, 1979
Watsonichthys Aldinger, 1937
Watsonosteus Miles & Westoll, 1963
Waulbaunina Fernandez-Yepez, 1948
Wayaobulepis Su, 1999
Webbygnathus Pickett & Furey-Greig, 2000
Weejasperaspidae
Weejasperaspis White, 1978
Weigeltaspididae
Weigeltaspis Brotzen, 1933
Weissobatis Hovestadt & Hovestadt-Euler, 1999
Weixiniscus Su Dezao, 1994
Wellerodus Turner, 1997
Wellingtonella Märss, Wilson & Thorsteinsson, 2002
Wendyichthys Lund & Poplin, 1997
Wenshanaspis Zhao, Zhu & Jia, 2002
Wenzia Taverne, 1976
Wenzichthys Taverne, 1976
Westergaardodina Müller, 1959
Westergaardodinidae
Westollia White & Moy-Thomas, 1940
Westollrhynchus Schultze, 2001
Wetteldorfia Vieth-Schreiner, 1983
Weyerognathus Dzik, 1997
Wheathillaspis White, 1961
Whiteichthys Moy-Thomas, 1942
Whitleyidea Fowler, 1934
Whitleyina Fowler & Bean, 1930
Wildungenichthys Maisch, 1998
Wilkesina Fowler & Bean, 1923
Williamsaspididae
Williamsaspis White, 1952
Williamsella Gunnell, 1933
Willomorichthyidae
Willomorichthys Gardiner, 1969
Windsorgnathus Austin & Mitchell, 1975
Wisslerius David, 1946
Wodnika Münster, 1843
Woodichthys Coates, 1998
Woodthorpea Swinnerton, 1925
Woodwardichthys White & Moy-Thomas, 1941
Woodwardosteus White & Moy-Thomas, 1940
Wudinolepis Chang, 1965
Wukungia Su Dezao, 1985
Wumengshanaspis Wang & Lan, 1984
Wurungulepis Young, 1990
Wuttagoonaspidae
Wuttagoonaspis Ritchie, 1973
Wuxuanichthys Wang, 1992
Xaniognathuis
Xaniognathus
Xantocles Jordan, 1917
Xenacanthidae Fritsch, 1889
Xenesthes Jordan, 1907
Xenisteus Jordan & Gilbert, 1882
Xenodolamia Leidy, 1877
Xenodus Miller, 1892
Xenopholoides Fowler, 1958
Xenophrynichthys Schultz, 1957
Xenopoclinops Smith, 1960
Xenoposeidon
Xenorhynchichthys Regan, 1908
Xenosirembo Schwarzhans, 1981
Xenothrissa Jordan, 1925
Xenurocharax Regan, 1913
Xeptaea Rafinesque, 1815
Xestias Jordan, 1921
Xiangshuiosteus Wang Junqing, 1992
Xichonolepis Pan & Wang, 1978
Xiejiawanaspis Burrow, Turner & Wang, 2000
Xinanpetalichthys Pan & Wang, 1978
Xingshikous Liu Xianting, 1988
Xinjiangichthys Wang, Zhang, Wang & Zhu, 1998
Xinjiangodus Yue & Gao, 1992
Xinjiangovenator
Xiongguanlong
Xiphichthys Swainson, 1839
Xiphicthes Swainson, 1839
Xiphicthis Swainson, 1839
Xiphogadus Günther, 1862
Xiphotrygon Cope, 1879
Xiushuiaspididae
Xiushuiaspis Pan & Wang, 1983
Xuzhougnathus Ding & Wan, 1990
Xylacanthus Orvig, 1967
Xylaspis Pernegre, 2004
Xynesthes Jordan, 1907
Xypterus Rafinesque, 1810
Xyrinius Jordan & Gilbert, 1919
Xyrocharax Fowler, 1914
Xysterus Rafinesque, 1815
Xystophorus Richardson, 1845
Xystracanthus Leidy, 1859
Xystrodus Plieninger, 1860
Xystroperca Jordan & Evermann, 1896
Yabrudichthys Chalifa, 1989
Yacoraitichnus Alonso & Marquillas, 1986
Yambira Johanson & Ritchie, 2000
Yanbiania Li Guoqing, 1987
Yangaspis Liu Yuhai & Wang Junqing, 1981
Yanornithidae
Yaomoshania Poplin, Wang, Richter & Smith, 1991
Yaoxianognathus An, 1985
Yealepis Burrow & Young, 1999
Yilinggnathus Ni, 1987
Yimenosaurus
Yinlong
Yinosteus
Yinostius Wang Junqing & Wang Nianzhong, 1984
Yixianornithidae
Ymiris Lund, 1968
Yoglinia Obruchev, 1943
Yongshunella Dong & Bergstrom, 2001
Youngacanthus Wang Nianzhong, 1984
Youngolepididae
Youngquistognathus Myshkina & Zhuravlev, 2005
Ypsiscarus Schultz, 1958
Yuchoulepis Su, 1974
Yujiangolepis Wang, Pan & Wang, 1998
Yungavolucris
Yungkangichthys Chang & Chow, 1974
Yunnanacanthus Liu, 1973
Yunnanogaleaspis Pan & Wang, 1980
Yunnanolepididae
Yunnanolepis Liu, 1963
Yvonaspis Belles-Isles, 1989
Zaborichthys Stamberg, 1990
Zabulon Whitley, 1928
Zaclemus Gilbert, 1896
Zaisanogobio Sytcheskaya, 1989
Zaissanotinca Sytchevskaya, 1986
Zalophancylus Hannibal, 1912
Zalopyr Jordan & Evermann, 1898
Zalypnus Jordan & Evermann, 1896
Zamponiopteron Janvier & Suarez-Riglos, 1986
Zanclites Jordan, 1925
Zanclodus Nowlan & McCracken, 1988
Zanclurus Swainson, 1839
Zanetidites Jordan & Gilbert, 1919
Zanotacanthus Gill, 1876
Zanteclites Jordan & Gilbert, 1919
Zapalasaurus
Zaphleges Jordan & Gilbert, 1920
Zascinaspis Stensiö, 1958
Zaxilepis Su Dezao, 1994
Zeablennius Whitley, 1930
Zebriscium Rafinesque, 1815
Zelosis Jordan & Gilbert, 1920
Zelotes Jordan, 1921
Zelotichthys Jordan, 1925
Zeluco Whitley, 1931
Zemiagrammus Jordan, 1921
Zenaspis Lankester, 1870
Zestidium Jordan & Evermann, 1898
Zestis Jordan & Evermann, 1898
Zetaraia Jordan, 1925
Zeuchthiscus Wade, 1940
Zhangina Liu, 2002
Zhangmulepis Liu, 2002
Zhanjilepis Zhang Guorui, 1978
Zhaotongaspis Wang & Zhu, 1994
Zhonghuadontus Xiong, 1983
Zhongornis
Zieglericonus Kozur & Mock, 1991
Zoarcites Zugmayer, 1940
Zofiabaataridae
Zonargyra Rafinesque, 1832
Zonipus Rafinesque, 1832
Zonobythites Schwarzhans, 1981
Zonoscion Jordan & Evermann, 1896
Zopa Fitzinger, 1873
Zoropsetta Jordan & Gilbert, 1920
Zororhombus Jordan & Gilbert, 1920
Zostericola Berg, 1933
Zychaspis Janvier, 1985
Zygobates Agassiz, 1843
Zygobatis Agassiz, 1838
Zygognathus Branson, Mehl & Branson, 1951
Zygzabatis Mendiola, 1995
Zyrichthys Swainson, 1839