Ostracoda Latreille, 1802
Abrobairdia Chen, 1982
Absonocytheropteron Puri, 1957
Abursus Loranger, 1954
Acanthocythere Sylvester-Bradley, 1956
Acratina Egorov, 1953
Acratinella Schneider, 1956
Acrocythere Neale, 1960
Acronotellidae Swartz, 1936
Actiangulata
Acuticytheretta Deroo, 1966
Acvocaria Gramm, 1975
Adeditia Gramm & Egorov, 1986
Aegyptiana Boukhary, Damotte & Mohamed, 1982
Afranticythereis Carbonnel & Johnson, 1989
Afrocytheridea Bate, 1975
Alatacavellina Wang, 1983
Allocythereis Anderson, 1964
Amphicythere Triebel, 1954
Ampuloides Polenova, 1952
Anebocythereis Bate, 1972
Aneisohealdia
Angliaecytheridea Sheppard, 1981
Anisocyamus Martinsson, 1960
Anommatocyther
Antibythocypris Jennings, 1936
Anticythereis
Aparchitocythere Swain & Peterson, 1952
Apatocythere Triebel, 1940
Aphrikanecythere Damotte & Oertli, 1982
Archeocosta Al-Bashir & Keen, 1984
Archeocuneocythere
Archicythereis Howe, 1936
Arcuaria Neckaja, 1958
Areacandona Karanovic, 2005
Arqoviella Gerry & Honigstein, 1987
Arrazocypris
Artifactella Coryell & Booth, 1934
Aruduce
Ascetoleberis Brouwers & Hazel, 1978
Asciocythere Swain, 1952
Asturiella Bless, 1970
Aulocytheridea
Aviacypris Schallreuter, 1977
Baffincythere
Baicalocandona Mazepova, 1976
Bairdianella Harlton, 1929
Bairdiohealdites
Bairdioidea Sars, 1887
Bairdiolites Croneis & Gale, 1938
Bajacythere Carreno & Cronin, 1993
Bakunella Schneider, 1958
Balowella Wienholz, 1967
Barrychilina
Baschkirina Rozhdestvenskaya, 1959
Batavocythere Kemper, 1971
Bathocytheridae
Beatamoosina Uffenorde, 1981
Beecherella Ulrich, 1891
Beecheroscapha Becker, 1992
Bensonia Rossi de Garcia, 1969
Berounellidae
Bisulcocypris Pinto & Sanguinetti, 1958
Bohlenatia Gründel, 1962
Bolbozoella Robinson, 1958
Boldella Keij, 1957
Borgerscottia
Borovitchella Gramm, 1985
Bosquetia Brady, Crosskey & Robertson, 1874
Brachycytheridae Puri, 1954
Brasacypris Krömmelbein, 1965
Bringocythere Lord, Malz & Whittaker, 2006
Bronsteiniana Mandel'shtam, 1956
Buekkella
Bufanchiste Becker, 1989
Bufinidae
Bulbosclerites Knupfer, 1968
Bythocytheromorpha
Caaporacandona Pinto, Rocha & Martens, 2005
Calcaribeyrichia Martinsson, 1962
Camdenidea Swain, 1953
Camptocythere Triebel, 1950
Capsacythere
Carinobairdia Kollmann, 1963
Casterocythere Hu, 1986
Cavussurella Gramm, 1969
Caytonidea Bate, 1965
Centrocythere Mertens, 1956
Ceratobairdia Sohn, 1954
Ceratocratia
Chamishaella Sohn, 1971
Chapmanicythereis Grundel, 1973
Citrella Oertli, 1959
Cladarocythere Ahmad, 1977
Cleithranchiste
Clinocythere
Cnestocythere Triebel, 1950
Collisboris
Condomyra
Coniferina Reynolds, 1978
Cooperuna Gründel, 1962
Cornicythereis Grundel, 1973
Cornutobairdia Kristan-Tollmann, 1970
Costaveenia Grundel, 1968
Covracythere Gramm, 1975
Craspedographylus Green, 1963
Crassacythere Grundel & Kozur, 1971
Crenaleya Ahmad, Neale & Siddiqui, 1991
Cretaceratina Neale, 1975
Cristaeleberis
Crucicornina Schallreuter, 1984
Cryptobairdia Sohn, 1960
Cuneoceratina Grundel & Kozur, 1971
Curfsina Deroo, 1966
Cyamocytheridea Oertli, 1956
Cyclocypridae
Cypridoidea Baird, 1845
Cystacythereis
Cytherissinella Schneider, 1956
Cytheroidea Baird, 1850
Cytheropterina Mandel'shtam, 1956
Dahomeya Apostolescu, 1961
Daleiella Boucek, 1937
Dallonella Bonaduce, Ruggieri & Russo, 1988
Damonella Anderson, 1966
Darwinuloidea Brady & Norman, 1889
Deminutiocandona Karanovic, 2003
Dentokrithe Khosla & Haskins, 1980
Dettermania Sohn, 1987
Dicerobairdia Kollmann, 1963
Dicrorygma Poag, 1962
Dictocythere
Diebelina Pietrzeniuk, 1969
Digmocythere Mandelshtam, 1958
Diogmopteron Hill, 1954
Disopontocypris Chen, 1982
Dolocythere Mertens, 1956
Dolocytheridea Triebel, 1938
Donmacythere Grundel, 1976
Dordoniella
Dornbuschia Schallreuter, 1968
Editia Brayer, 1952
Egenacythere Ciampo, 1986
Egorovia McGill, 1963
Egorovitina Gramm, 1977
Eisobairdia Kristan-Tollmann, 1978
Ektyphocythere Bate, 1963
Ellesmerina
Elliptocyprites Swain, 1962
Emphasia Mandel'shtam, 1956
Entoprimitia
Eobuntonia
Eocytheridea Bate, 1963
Eocytheropteron Alexander, 1933
Eoparaparchites Shi Congguang & Wang Donghua, 1985
Eorotundracythere Bate, 1972
Eostephanella
Eridoconcha Ulrich & Bassler, 1923
Eripleura Wilkinson, 1987
Escharacytheridea Brouwers & Hazel, 1978
Estonaceratella Schallreuter, 1984
Eucandona Daday, 1900
Eucandonidae Swain, 1961
Eudecacythere
Euryitycythere Oertli, 1959
Euthlipsurella Krandievsky, 1968
Exophthalmocythere
Fabalicypris Cooper, 1946
Fabanella Martin, 1961
Falunia Grekoff & Moyes, 1955
Fastigastocythere
Faveolebris
Fissocrinocythere
Fissocythere Malz, 1959
Fistulosacythere Lord, Malz & Whittaker, 2006
Flabellimutilis
Flexuocythere Ciampo, 1986
Flexus Neviani, 1930
Forbescythere Keen, 1976
Frambocythere Colin & Danielopol, 1980
Frostiella Martinsson, 1963
Fueloepicythere
Fuhrbergiella Brand & Malz, 1962
Galliaecytheridea Oertli, 1957
Gammacythere Malz & Lord, 1976
Garciaella Dingle & Honigstein, 1994
Garnuella
Gemmanella Schneider, 1956
Gerbeckites Zbikowska, 1983
Gerodiidae
Gesoriacula Oertli, 1959
Gibberlebeis
Ginginella Neale, 1975
Glabellacythere Wienholz, 1967
Glenocythere Al-Abdul-Razzaq, 1979
Glorianella Schneider, 1956
Glyptocythere Brand & Malz, 1962
Glyptogatocythere Basha, 1980
Glyptolichvinella
Golcocythere Grundel, 1968
Gondwanacythere Lord, Malz & Whittaker, 2006
Gramannella Lord, 1972
Gramannicythere Grundel, 1975
Graphiadactyllis
Grekoffiana Rossi de Garcia, 1969
Grinioneis Liebau, 1975
Gruendelella Sanchez de Posada, 1987
Gruendelicythere
Grundelella
Gubkiniella
Gujaratella Khosla, 1979
Gunnaropsis Spjeldnaes, 1963
Gyrocythere Siddiqui, 1971
Habrocythere Triebel, 1940
Hammatocythere Keen, 1972
Hanaicythere Yajima, 1987
Harperopsis Pribyl, 1966
Hastacypris Croneis & Gutke, 1939
Haworthina Kellett, 1935
Healdiacypris Bradfield, 1935
Hebexitus Loranger, 1963
Hechticythere Grundel, 1974
Heliocythere Bonaduce, Ruggieri & Russo, 1988
Hellebardia Jordan, 1964
Hemingwayella Neale, 1975
Heptaloculites
Hercynocythere Blumenstengel, 1974
Herrigocyther
Hesslandites Chugaeva, Rozman & Ivanova, 1964
Hiatobairdia Kristan-Tollmann, 1970
Holcopocythere
Horrificiella Liebau, 1975
Hourqia
Huantraiconella Bertels, 1968
Humphreyscandona Karanovic & Marmonier, 2003
Hutsonia Swain, 1946
Hystricocythere Bate, 1972
Iatella
Ilyocprididae
Imhotepia Grundel, 1969
Incongruellina Ruggieri, 1958
Indivisia
Iniella Mandelshtam, 1956
Ionicythere Mostafawi, 1986
Iraqicythereis
Isobuntonia Apostolescu, 1961
Isobythocypris Apostolescu, 1959
Isocythereis Triebel, 1940
Isohabrocythere Apostolescu, 1961
Jatella Zenkova, 1977
Jefina Adamszak, 1976
Jingguella Gou, 1977
Juvenix Kuznetzova, 1957
Kaesleria Al-Furaih, 1986
Kalyptovalva Howe & Laurencich, 1958
Kamajcythereis Pokorny & Colin, 1976
Karinadomella Becker, 1987
Karsteneis Pokorný, 1963
Kassinina
Kefiella Donze & Said, 1982
Keijicythere
Kemeroviana Mandelshtam, 1956
Keslingiella Pinto & Purper, 1981
Kikliocythere Howe & Laurencich, 1958
Kingmaina Keij, 1957
Kinkelinella Hoffmann & Martin, 1960
Kirkbyellina Kummerow, 1939
Kirtonella Bate, 1963
Klieana Martin, 1940
Klinglerella Anderson, 1964
Kloedcytherella
Krausellidae
Krausellina Krandievskii, 1968
Kroemmelbeinella Mostafawi, 1984
Kroemmelbeinia Schallreuter, 1969
Kummerowia Adamczak, 1976
Kummerowillina Adamczak, 1978
Lamellacratia
Langtonia Anderson, 1939
Leniocythere
Lesleya Bate, 1978
Leviella Sohn, 1968
Liasina Gramann, 1966
Liasopteron Grundel, 1980
Libumella Rozhdestvenskaya, 1959
Ligerina Pranskevichius, 1973
Limburgina Deroo, 1966
Lindisfarnia Horne & Kilenyi, 1981
Liujingnia Sun Quanying & Wang Chengxian, 1985
Lixouria Uliczny, 1971
Ljubimovella Brand & Malz, 1961
Loculibairdia Colin & Damotte, 1985
Londinia Martinsson, 1963
Longyuanella Li, 1987
Looneyella
Lophoctenella Martinsson, 1962
Lophodentina Apostolescu, 1959
Louza
Lutkevichinella Schneider, 1956
Lycopterocypris Mandelstam, 1956
Macrocypridoidea Müller, 1912
Macrocyproides Spivey, 1939
Macrodentina Martin, 1940
Macrypsilon Martinsson, 1962
Mandawacythere Bate, 1975
Mandelstamia Lübimova, 1956
Mandocythere Gründel, 1964
Mantelliana Anderson, 1966
Marginohealdia Blumenstengel, 1965
Margobairdia
Margoplanitia Knupfer, 1968
Marococandona Marmonier, Boulal & Idbennacer, 2005
Marslatourella Malz, 1959
Martinicythere Bassiouni, 1970
Matronella Damotte, 1974
Mauritsina Deroo, 1962
Megommatocythere Colin & Oertli, 1982
Mehesella Reyment, 1960
Memoria Mandel'shtam, 1968
Meridiescandona Karanovic, 2003
Merocythere Oertli, 1957
Messinella van den Bold, 1969
Metacytheropteron Oertli, 1957
Microparaparchites Croneis & Gale, 1938
Micropneumatocythere Bate, 1963
Microxestolebris
Miocytheridea Anderson, 1967
Mirabairdia Kollmann, 1963
Mochella
Monoceratella Teichert, 1937
Moosina Bassiouni & Luger, 1990
Morkhovenicythereis Grundel, 1975
Mosaeleberis Deroo, 1966
Mostlerella
Murthya Khosla, Mehra & Nagori, 1986
Nagyella Kozur, 1970
Namaia Green, 1963
Namibocypris
Nanacythere Herrig, 1969
Nanurocythereis
Navarracythere Colin & Rodriguez-Lazaro, 1986
Naviculina Katz, 1957
Necrateria Gründel, 1962
Nemoceratina
Neobairdia Sun, 1984
Neoberounella Grundel & Kozur, 1972
Neocraterellina Krandievskii, 1968
Neocytherettidae
Neonyhamnella Wang, 1983
Neooctonaria Krandievskii, 1968
Neophrecythere
Neothlipsura Krandievskii, 1968
Neoveenia Bertels, 1969
Nephokirkos
Nesideidae
Netrocytheridea Howe & Laurencich, 1958
Netschajewiana Kochetkova, 1968
Newsomites Morris & Hill, 1952
Nigeria Reyment, 1963
Nigeroloxoconcha Reyment, 1963
Nikitinella Melnikova, 1986
Nodobairdia Kollmann, 1963
Nodophthalmocythere Malz, 1958
Nonurocythereis Ruggieri & Russo, 1980
Nophrecythere Grundel, 1975
Notacandona Karanovic & Marmonier, 2003
Notocythere Will, 1969
Notodromatidae
Novocypris Ducasse, 1967
Nucleolina Deroo, 1966
Nuguschia Kochetkova, 1968
Obisafitella Mikhailova & Schornikov, 1981
Oblitacythereis Benson, 1977
Occlusacythereis Ruggieri & Russo, 1980
Occulocytheropteron
Octosylthere Schallreuter, 1984
Olbia Marcusen, 1867
Oligocythereis Sylvester-Bradley, 1948
Olimfalunia Ruggieri, 1976
Ommatokrithe Ahmad, 1977
Oncocyprididae
Opimocythere Hazel, 1968
Ordoniya
Origocandona Karanovic, 2005
Orlovicavina Gramm, 1969
Orthobairdia Sohn, 1961
Orthocypris Kummerow, 1953
Orthonotacythere Alexander, 1933
Otocythere Triebel & Klingler, 1959
Ouachitaia Howe, 1971
Ovatoquasillites Lethiers, 1978
Ovocytheridea Grekoff, 1951
Ovornina
Pachycaudites
Pachydomella Ulrich, 1891
Pachydomelloides Swain, 1962
Paenula Kuznetzova, 1957
Palaeocytheridea
Palaeocytheridella Mandelsh'tam, 1958
Paleocosta Benson, 1977
Paleomonsmirabilia Apostolescu, 1956
Parabairdianella
Paraberounella Blumenstengel, 1965
Paracaudites Deltel, 1963
Paracyprididae
Paracyprinotus Schneider, 1957
Paracythereis Delachaux, 1929
Paracytheretta
Paraeucypris Schneider, 1957
Paraexophthalmocythere
Paraglyptobairdia
Paragrenocythere Al-Furaih, 1975
Paramicrocheilinella Sun, 1978
Paramunseyella Bate, 1972
Paranotacythere Bassiouni, 1974
Paraplatyrhomboides Shi Congguang & Wang Donghua, 1985
Parariscus Oertli, 1959
Paraschizocythere
Paraschuleridea
Paraspinobairdia
Parasterbergella
Parataxodonta Mandel'shtam, 1956
Paratriebelina
Pariceratina Grundel & Kozur, 1971
Parvacythereis Grundel, 1973
Patellacythere Grundel & Kozur, 1971
Pavloviella Kuznetzova, 1957
Peloriops Al-Abdul-Razzaq, 1979
Peteraurila Aruta & Ruggieri, 1980
Phalcocythere Siddiqui, 1971
Phanassymetria Roth, 1929
Phodeucythere Grundel, 1978
Phthanoloxoconcha Wilkinson, 1988
Phyrocythere
Physocythere Kaye, 1963
Pichottia Oertli, 1959
Pilbaracandona Karanovic & Marmonier, 2003
Pinnatulites Hessland, 1949
Pinnoxypridea
Pioneercandonopsis Karanovic, 2005
Planileberis Deroo, 1966
Plantella Zenkova, 1977
Platycythere Bate, 1967
Platycythereis Triebel, 1940
Platylophocythere Oertli, 1960
Platyrhomboides Harris, 1957
Plavskella
Pleurifera Gramann, 1962
Pleurocythere Triebel, 1951
Pneumatocythere Bate, 1963
Polenovula Martinsson, 1960
Polydentina Malz, 1958
Pontocyprella Mandel'shtam, 1956
Pontocypridoidea Müller, 1894
Porkornyopsis
Posteroprotocythere Mandelsh'tam, 1958
Praebythoceratina Grundel & Kozur, 1971
Praemacrocypris
Praemunseyella
Praephacorhabdotus Grundel, 1974
Praepilatina Polenova, 1970
Praeschuleridea Bate, 1963
Predarwinula Jiang, 1978
Premunseyella Bate, 1972
Proabyssocypris Pokorny, 1979
Processobairdia Blumenstengel, 1965
Procytherettina Mandels'htam, 1958
Procytheridea Peterson, 1954
Procytheropteron Mandel'shtam, 1956
Progoncythere
Progonoidea Gramann, 1962
Proparaparchites Cooper, 1941
Prorectella Melnikova, 1982
Prosumia Berdan, 1986
Protoacanthcythere
Protoargilloecia Mandel'shtam, 1956
Protobuntonia Cheylan, Magné, Sigal & Grekoff, 1953
Protocythere Triebel, 1938
Protojonesia Deroo, 1966
Pseudacantoscapha
Pseudobythocythere Mertens, 1956
Pseudocavellina
Pseudoceratina Bold, 1965
Pseudocyproides Morris & Hill, 1952
Pseudocytheridea
Pseudocytheromorpha Puri, 1957
Pseudohustonia
Pseudokrithe Mehes, 1941
Pseudolimnocytheridae
Pseudomacrocypris Michelsen, 1975
Pseudomonoceratina Grundel & Kozur, 1971
Pseudoparaparchites Kellett, 1933
Pseudoperissocytheridea
Pseudophanasymmetria Sohn & Berdan, 1952
Pseudoprotocythere Oertli, 1966
Pseudorayella Netzkaya, 1960
Ptychobairdia Kollmann, 1960
Pullvillites Öpik, 1937
Pulviella Schneider, 1957
Punctaparchites Kay, 1934
Puricytheretta Russo & Bossio, 1975
Pustulobairdia Sohn, 1960
Pyrocytheridea Lyubimova, 1955
Qingjiania Li Yuwen, 1984
Quasibuntonia Ruggieri, 1958
Quasillites Coryell & Malkin, 1936
Quasillitidae
Racvetina Gramm, 1975
Ranapeltis Bassler, 1941
Ranicella Grundel & Kozur, 1971
Raymoorea Neale, 1967
Rayneria Neale, 1975
Rectalloides
Rectella Neckaja, 1958
Rectobairdia Sohn, 1960
Rectocypris Schneider, 1958
Rectocythere Malz, 1958
Rectotrachyleberis
Reginacypris
Rehacythereis Grundel, 1973
Renngartenella Schneider, 1957
Reticulina Netzkaya, 1973
Reticulocosta Grundel, 1974
Reussicythere van den Bold, 1966
Revisylthere Schallreuter, 1987
Reymenticosta Bassiouni & Luger, 1990
Rhocobairdia
Rhysomagis Kesling, Kavary, Takagi, Tillman & Wulf, 1959
Rishona Shon, 1960
Rockalliidae
Rostrocytheridea Dingle, 1969
Rubracea Mandel'shtam, 1957
Ruchholzella
Ruggieria Keij, 1957
Rushdisaidina Bassiouni & Luger, 1990
Russia Polenova, 1952
Rutlandella Bate & Coleman, 1975
Ruttenella Bold, 1946
Saalfeldella Gründel, 1961
Saipanellidae
Sanyuania
Sarlatina Babinot & Colin, 1976
Saumella
Saxellacythere Grundel & Kozur, 1971
Scabriculocypris Anderson, 1940
Scaphella Zenkova, 1977
Scaphium Jordan, 1964
Scepticocythereis Bate, 1972
Schleesha
Schneideria Kochetkova, 1960
Segmina Mandel'shtam, 1957
Semicytheretta Deroo, 1966
Septiferina Melnikova, 1986
Shemonaella Sohn, 1971
Shishaella Sohn, 1971
Shivaella Sohn, 1971
Sigillioidea Mandelstam, 1960
Silenites Coryell & Booth, 1934
Simeonella Sohn, 1968
Simicypris Li Yuwen, 1984
Sinusuella
Sleia Martinsson, 1962
Sondagella Dingle, 1969
Soudanella Apostolescu, 1961
Speluncella Schneider, 1956
Sphaeroleberis Deroo, 1966
Sphenocytheridea
Spinoleberis Deroo, 1966
Spinomicrtocheilinella
Spongicythere
Stenestroemia Christensen, 1968
Sternbergea
Steusloffina Teichert, 1937
Stillina Laurencich, 1957
Stratpbythoceratina
Stravia Neale, 1962
Striatobythoceratina
Strigocythere
Subulacypris Schneider, 1957
Suriekovella Mandelshtam, 1958
Suzinia Schneider, 1956
Sylthere Schallreuter, 1977
Syltherella Schallreuter, 1978
Sylvestra Doruk, 1973
Tavanicythere Bossio, 1980
Taxodiella Kuznetzova, 1957
Tchizhovaella
Terquemula
Tetracytherurua
Thalmannia Le Roy, 1939
Theriosynoecum
Thlipsohealdia Krandievskii, 1960
Thlipsorothella Lundin & Petersen, 1974
Thrallella Stewart & Hendrix, 1945
Tianjinia Gong & Wang, 1988
Tickalacythere
Togoina Apostolescu, 1961
Tomiella Spizharsky, 1937
Tomiellina Mandelshtam, 1956
Toolongella Bate, 1972
Torista
Trachycythere Triebel & Klingler, 1959
Trachyleheridae
Trianguloschmidtella Sarv, 1963
Triassinella Schneider, 1956
Triassocypris Kozur, 1970
Triassocythere Grundel & Kozur, 1972
Triceratina Upson, 1933
Tricordis
Triebacythere Grundel & Kozur, 1971
Trinacriacythere Ciampo, 1986
Triplacera Gründel, 1961
Tscherdynzeviana
Tuberoceratina Grundel & Kozur, 1972
Tungschuania
Turiella Zenkova, 1969
Turmaekrithe Pietrzeniuk, 1969
Typhloeucytherura Colalongo & Pasini, 1980
Ulrichella Boucek, 1936
Unodentina Malz, 1958
Urocythere
Ussuricavina Gramm, 1969
Valumoceratina
Veenia Butler & Jones, 1957
Veeniacythereis Grundel, 1973
Velapezoides McGill, 1966
Velarocythere
Ventrocythereis Honigstein, 1984
Vernoniella Oertli, 1957
Verseya Neale, 1975
Vetustocytheridea
Vicinia Kuznetzova, 1957
Visnyoella
Wellandia Bate & Coleman, 1975
Wolburgia Anderson, 1966
Xenoleveris
Xiajiangella Guan, 1985
Yiduella Sun, 1984
Zagorala Becker, 1975
Zarinia Fleming, 1985
Zenkovaelina Melnikova, 1986