Squamata Oppel, 1811
Abastor Gray, 1849
Ablabes Duméril, 1853
Ablabophis Boulenger, 1893
Ablates Beddome, 1862
Achaetula Gray, 1832-35
Achalinopsis Steindachner, 1913
Achalinus Peters, 1869
Acontiophis Günther, 1875
Adelophis Dugès, 1879
Adelphicos Jan, 1862
Adiastema Werner, 1925
Aehoetulla Gray, 1834
Aeluroglena Boulenger, 1898
Aepidea Hallowell, 1860
Afronatrix Rossman & Eberle, 1977
Agrophis Müller, 1895
Ahaetula Gray, 1832-35
Ahaetulla Link, 1807
Alleidophis Prado, 1939
Allophis Peters, 1872
Alluaudina Mocquard, 1894
Alopecion Duméril, 1853
Alopecophis Gray, 1849
Alsophis Fitzinger, 1843
Amastridium Cope, 1861
Amblycephalus Boie, 1827
Amblymetopon Günther, 1858
Ameiseophis Holman, 1977
Amphiesma Duméril, Bibron & Duméril, 1854
Amphiesmoides Malnate, 1961
Amphiophis Barboza de Bocage, 1872
Amplorhinus Smith, 1847
Amplycephalus Kuhl, 1822
Analcis Wagler, 1830
Anholodon Duméril & Bibron, 1854
Anisodon Rosen, 1905
Anisodontes Rosen, 1905
Anoplodipsas Peters, 1869
Anoplohydrus Werner, 1909
Anoplophallus Cope, 1893
Antillophis Maglio, 1970
Aplopeltura Duméril, 1853
Aporophis Cope, 1877
Apostolepis Cope, 1862
Aproaspidops Annandale, 1912
Aproterodon
Archerpeton Carroll, 1964
Argyrogena Werner, 1924
Arizona Kennicott, 1859
Arrhyton Günther, 1858
Aspidura Wagler, 1830
Asthenodipsas Peters, 1864
Asthenophis Boulenger, 1896
Atomarchus Cope, 1883
Atomophis Cope, 1887
Atractus Wagler, 1828
Atretium Cope, 1861
Balanophis H. M. Smith, 1938
Bamanophis Schaetti & Trape, 2008
Barbourina Amaral, 1924
Bascanion Baird & Girard, 1853
Bascanium Cope, 1862
Bergenia Steindachner, 1867
Bibilava
Bitia Gray, 1842
Blythia Theobald, 1868
Boaedon Duméril & Bibron, 1854
Boaodon Chabanaud, 1916
Bogertophis Dowling & Price, 1988
Boiga Fitzinger, 1826
Boiruna Zaher, 1996
Boodon Günther, 1858
Bothrolycus Günther, 1874
Bothrophthalmus Peters, 1863
Brachyorrhos Kuhl, 1826
Brachyrruton Duméril, 1853
Brachyruton Duméril & Bibron, 1854
Brachyura Kuhl & Hasselt, 1822
Brygophis Domergue & Bour, 1989
Bucephalus Smith, 1829
Buhoma Ziegler, Vences, Glaw & Bohme, 1997
Caaeteboia Zaher, Grazziotin, Cadle, Murphy, de Moura-Leite & Bonatto, 2009
Caelopeltis Bonaparte, 1841
Calamaria Boie, 1826
Calamodon Amaral, 1935
Calamodontophis Amaral, 1963
Calamohydrus Boulenger, 1888
Calamorhabdium Böttger, 1898
Callipelta Agassiz, 1846
Callirhinus Girard, 1857
Callopeltis Bonaparte, 1841
Callopisma Duméril, 1853
Calopeltis Fitzinger, 1843
Calopisma Duméril & Bibron, 1854
Campylodon von Huene, 1929
Cantonophis Werner, 1909
Cantoria Kaup, 1858
Carphophiops Gervais, 1840
Carphophis Gervais, 1843
Catachlaena Blanford, 1881
Catostoma Wagler, 1830
Celuta Baird & Girard, 1853
Cemophora Cope, 1860
Cerberus Cuvier, 1829
Cercaspis Wagler, 1830
Cercophis Fitzinger, 1843
Chamaelycus Boulenger, 1919
Chamaetortus Günther, 1864
Changulia Gray, 1832-35
Chapinophis Campbell & Smith, 1998
Chatachlein Jan, 1862
Chersodromus Reinhardt, 1860
Chilomeniscus Cope, 1860
Chionactis Cope, 1860
Chironius Fitzinger, 1826
Chlorophis Hallowell, 1857
Chlorosoma Wagler, 1830
Chorisodon Duméril, 1853
Chrysopelea Boie, 1826
Clelia Fitzinger, 1826
Clonophis Cope, 1889
Cochliophagus Duméril & Bibron, 1854
Coelognathus Fitzinger, 1843
Coelopeltis Wagler, 1830
Collorhabdium Smedley, 1932
Colobognathus Peters, 1859
Colophrys Cope, 1868
Colorhogia Cope, 1862
Coluber Linnaeus, 1758
Comastes Jan, 1863
Compsophis Mocquard, 1894
Coniophanes Hallowell in Cope, 1860
Conocephalus Duméril & Bibron, 1854
Conophis Peters, 1860
Conopsis Günther, 1858
Contia Baird & Girard, 1853
Coronella Laurenti, 1768
Coryphodon Duméril & Bibron, 1854
Crisantophis Villa, 1971
Crotaphopeltis Fitzinger, 1843
Cryophis Bogert & Duellman, 1963
Cryptodacus Gundlach, 1862
Cryptolycus Broadley, 1968
Cryptophidion Wallach & Jones, 1992
Cyclagras Cope, 1885
Cyclocorus Duméril, 1853
Cyclophiops Boulenger, 1888
Cyclophis Günther, 1858
Cynophis Gray, 1849
Dakaria Werner, 1925
Dakotaophis Holman, 1976
Darlingtonia Cochran, 1935
Dasypeltis Wagler, 1830
Deirodon Owen, 1841
Dendrelaphis Boulenger, 1890
Dendrolycus Laurent, 1956
Dendrophidion Fitzinger, 1843
Dendrophis Fitzinger, 1826
Diadophis Baird & Girard, 1853
Diaphorolepis Jan, 1863
Dicraulax Cope, 1893
Dieurostus Berg, 1901
Dimades Gray, 1842
Dinodon Duméril, 1853
Dipeltophis Cope, 1887
Diplotropis Günther, 1872
Dipsadoboa Günther, 1858
Dipsadoides Annandale, 1905
Dipsadomorphus Fitzinger, 1843
Dipsadomorus Duméril & Bibron, 1854
Dipsadophidium Lindholm, 1905
Dipsas Laurenti, 1768
Dipsina Jan, 1862
Dirosema Boulenger, 1894
Dirrhox Cope, 1887
Dispholidus Duvernoy, 1832
Ditaxodon Hoge, 1958
Ditypophis Günther, 1881
Dolichophis Gistl, 1868
Dolniceophis Rage & Rocek, 1983
Drepanodon Peracca, 1896
Drepanoides Dunn, 1928
Dromicodryas Boulenger, 1893
Dromicus Cocteau & Bibron, 1843
Dromophis Peters, 1869
Dryadophis Stuart, 1938
Dryinoides Auffenberg, 1958
Dryinus Merrem, 1820
Dryiophis Dalman, 1826
Drymarchon Fitzinger, 1843
Drymobius Fitzinger, 1843
Drymoluber Amaral, 1929
Dryocalamus Günther, 1858
Dryomelictes Fitzinger, 1843
Dryophiops Boulenger, 1896
Dryophis Fitzinger, 1826
Dryophylax Wagler, 1830
Duberria Fitzinger, 1826
Dystyches Gistl, 1848
Echinanthera Cope, 1894
Eirenis Jan, 1863
Elachistodon Reinhardt, 1863
Elaphe Fitzinger in Wagler, 1833
Elaphis Bonaparte, 1831
Elapochrus Peters, 1860
Elapodis Boie, 1826
Elapohomoeus Berg, 1899
Elapoides Jan, 1862
Elapoidis F. Boie, 1827
Elapomoius Boulenger, 1896
Elapomojus Jan, 1862
Elapomorphus Fitzinger, 1843
Eminophis Werner, 1924
Emmochliophis Fritts & Smith, 1969
Enhydris Latreille, 1801
Enicognathus Duméril & Bibron, 1854
Entacanthus Cope, 1900
Entechinus Cope, 1895
Enuliophis McCranie & Villa, 1993
Enulius Cope, 1871
Eremiophis Fitzinger, 1843
Eremophis Gistl, 1848
Eridiphas Leviton & Tanner, 1960
Erpetodryas Boie, 1826
Erpeton Lacépède, 1800
Erpetrodryas Wagler, 1830
Erythrolamprus Wagler, 1830
Eteirodipsas Jan, 1863
Etheridgeum Wallach, 1988
Eudipsas Fitzinger, 1843
Eugnathus Duméril & Bibron, 1854
Eumesodon Cope, 1860
Euprepiophis Fitzinger, 1843
Europhrys
Eurostus Duméril, 1853
Eurypholis Hallowell, 1860
Eutaenia Cope, 1866
Eutainia Baird & Girard, 1853
Exallodontophis Cadle, 1999
Exelencophis Smith, 1942
Falconeria Theobald, 1868
Farancia Gray, 1842
Ferania Gray, 1842
Feranioides Carlleyle, 1869
Feranoides Boulenger, 1896
Ficimia Gray, 1849
Fimbrios Smith, 1921
Fleischmannia Böttger, 1898
Fordonia Gray, 1842
Fowlea Theobald, 1868
Galedon Jan, 1863
Galeophis Berthold, 1859
Gastropyxis Cope, 1861
Geagras Cope, 1876
Geatractus Dugès, 1898
Genhosteus Cope, 1874
Geodipsas Boulenger, 1896
Geophidium Peters, 1862
Geophis Wagler, 1830
Geoptyas Steindachner, 1867
Georgia Baird & Girard, 1853
Gerarda Gray, 1849
Gerrhosteus Cope, 1874
Glaphyrophis Jan, 1862
Glypholycus Günther, 1894
Godionotus Mocquard, 1889
Gomesophis Hoge & Mertens, 1959
Gongylosoma Fitzinger, 1843
Gonionotophis Boulenger, 1893
Gonionotus Gray, 1846
Gonyonotus Boulenger, 1891
Gonyophis Boulenger, 1891
Gonyosoma Wagler, 1828
Grayia Günther, 1858
Grotea Theobald, 1868
Gyalopion Cope, 1860
Haldea Baird & Girard, 1853
Haplocercus Günther, 1858
Haplonodon Griffin, 1910
Hapsidophrys Fischer, 1856
Heleophis Müller, 1884
Helicops Wagler, 1830
Helicopsoides Mocquard, 1890
Helophis de Witte & Laurent, 1942
Hemerophis Schätti & Utiger, 2001
Hemiodontus Duméril, 1853
Hemirhagerrhis Böttger, 1893
Hemorrhois Boie, 1826
Henicognathus Cope, 1876
Herbertophis Macleay, 1884
Herpetodryas Schlegel, 1837
Herpetodrys Wagler, 1830
Herpetoreas Günther, 1860
Hetaerodipsas Berg, 1901
Heterodon Latreille, 1801
Heterolepis Smith, 1847
Heteroliodon Böttger, 1913
Heterorhachis Amaral, 1923
Heterurus Duméril, 1853
Heurnia Jong, 1926
Hierophis Bonaparte, 1834
Hipistes Gray, 1849
Hispanophis Szyndlar, 1985
Holarchus Cope, 1886
Hologerrhum Günther, 1858
Holuropholis Duméril, 1856
Homalocephalus Jan, 1862
Homalocranion Duméril, 1853
Homalocranium Günther, 1863
Homalophis Peters, 1871
Homalopsis Kuhl & Hasselt, 1822
Homalosoma Wagler, 1830
Hormonotus Hallowell, 1857
Huria Latreille, 1804
Hurianus Rafinesque, 1815
Hurria Daudin, 1803
Hurriah Rafinesque, 1815
Hurrias Oken, 1817
Hurrix Ritgen, 1828
Hydrablabes Boulenger, 1891
Hydrablables Boulenger, 1891
Hydraethiops Günther, 1872
Hydrocalamus Cope, 1885
Hydrodipsas Peters, 1859
Hydrodynastes Fitzinger, 1843
Hydromorphus Peters, 1859
Hydrophobus Günther, 1862
Hydrops Wagler, 1830
Hylophis Fitzinger, 1843
Hypistis Werner, 1929
Hypserina Gray, 1835
Hypsiglena Cope, 1860
Hypsirhina Wagler, 1830
Hypsirhynchus Günther, 1858
Hypsirina Gray, 1833-34
Ialtris Cope, 1862
Idiophis Mocquard, 1901
Idiopholis Mocquard, 1892
Iguanognathus Boulenger, 1898
Imantodes Duméril, 1853
Incaspis Donoso-Barros, 1974
Ischnognathus Duméril & Bibron, 1854
Isoscelis Günther, 1858
Ithycyphus Günther, 1873
Katophis Macleay, 1877
Keiometopon Taylor, 1962
Lampropeltis Fitzinger, 1843
Lamprophis Fitzinger, 1843
Langaha Bruguière, 1784
Leimadophis Fitzinger, 1843
Leioheterodon Duméril & Bibron, 1844
Leionotus Jan, 1863
Lejonotus Jan, 1863
Lepidocephalus Hallowell, 1860
Lepidognathus Lidth de Jeude, 1891
Leptocalamus Günther, 1872
Leptodeira Fitzinger, 1843
Leptodrymus Amaral, 1927
Leptognathus Duméril & Bibron, 1854
Leptophidium Hallowell, 1860
Leptophis Bell, 1825
Lepturophis Boulenger, 1900
Lielaphis Günther, 1863
Ligonirostra Cope, 1863
Limadophis Agassiz, 1846
Limnophis Günther, 1865
Liodytes Cope, 1885
Lioheterodon Boulenger, 1893
Lioheterophis Amaral, 1935
Lioninia Hallowell, 1860
Liopeltis Fitzinger, 1843
Liophidium Boulenger, 1896
Liophis Wagler, 1830
Liopholidophis Mocquard, 1904
Liparophis Peracca, 1904
Lycodon Fitzinger, 1826
Lycodonomorphus Fitzinger, 1843
Lycodryas Günther, 1879
Lycognathophis Boulenger, 1893
Lycognathus Broom, 1913
Lycophidion Fitzinger, 1843
Lystrophis Cope, 1885
Lytorhynchus Peters, 1862
Macrocalamus Günther, 1864
Macrophis Barboza de Bocage, 1866
Macropisthodon Boulenger, 1893
Macropophis Boulenger, 1893
Macroprotodon Guichenot, 1850
Macrops Wagler, 1830
Madagascarophis Mertens, 1952
Magliophis Zaher, Grazziotin, Cadle, Murphy, de Moura-Leite & Bonatto, 2009
Malpolon Fitzinger, 1826
Manolepis Cope, 1885
Masticophis Baird & Girard, 1853
Mastigodryas Amaral, 1935
Megalops Hallowell, 1860
Mehelya Csiki, 1903
Meizodon Fischer, 1856
Mesopeltis Cope, 1867
Mesotes Jan, 1862
Metoporhina Günther, 1858
Microdromus Günther, 1872
Microphis Hallowell, 1854
Micropisthodon Mocquard, 1894
Migiurtinophis Scortecci, 1935
Mike Werner, 1924
Mimometopon Werner, 1903
Mimophis Günther, 1868
Miocoluber Parmley, 1988
Mionatrix Sun, 1961
Miralia Gray, 1842
Montaspis Bourquin, 1991
Myersophis Taylor, 1963
Myron Gray, 1849
Nanus Bachmayer & Szyndlar, 1985
Natriciteres Loveridge, 1953
Natrix Laurenti, 1768
Nebraskophis Holman, 1973
Neonatrix Holman, 1973
Neopareas Günther, 1895
Neospades De Vis, 1889
Nerodia Baird & Girard, 1853
Nerophidion Werner, 1924
Neusterophis Günther, 1863
Ninia Baird & Girard, 1853
Noterophis Gistl, 1848
Nothopsis Cope, 1871
Nuchisulcophis Mahendra, 1984
Odontomus Duméril, 1853
Ogmius Cope, 1869
Oligodon Boie, 1826
Oligolepis Boulenger, 1895
Olisthenes Cope, 1859
Omoadiphas Köhler, Wilson & McCranie, 2001
Oocatochus Helfenberger, 2001
Oophilositum Parker, 1933
Opetiodon Duméril, 1853
Opheodrys Fitzinger, 1843
Opheomorphus Fitzinger, 1843
Ophibolus Baird & Girard, 1853
Ophielaps Sauvage, 1877
Ophiomorphus Cope, 1862
Ophites Wagler, 1830
Opisthiodon Peters, 1861
Opisthoplus Peters, 1883
Opisthotropis Günther, 1872
Oreocalamus Boulenger, 1899
Oreophis Utiger, Helfenberger & Schätti, 2002
Orthriophis Utiger, Helfenberger, Schätti, Schmidt, Ruf & Ziswiler, 2002
Oxybelis Wagler, 1830
Oxycalamus Günther, 1864
Oxyorrhos Fischer, 1879
Oxyrhabdium Boulenger, 1893
Oxyrhina Jan, 1862
Oxyrhopus Wagler, 1830
Pachyophis Nopcsa, 1923
Pagonaspis Amaral, 1929
Palaeomalpolon Szyndlar, 1981
Palaeonatrix Mlynarski, Szyndlar, Estes & Sanchiz, 1982
Paleofarancia Auffenberg, 1963
Paleoheterodon Holman, 1964
Paleonatrix
Pantherophis Fitzinger, 1843
Pappophis Macleay, 1877
Paracoluber Holman, 1970
Parahelicops Bourret, 1934
Paranatrix Mahendra, 1984
Paraoxybelis Auffenberg, 1963
Parapostolepis Amaral, 1930
Paraptychophis de Lema, 1967
Pararhabdophis Bourret, 1934
Pararhadinaea Böttger, 1898
Pareas Wagler, 1830
Paroxyrhopus Schenkel, 1901
Passerita Gray, 1825
Passirita Swainson, 1839
Periops Wagler, 1830
Petalognathus Duméril & Bibron, 1854
Phalotris Cope, 1862
Philodendros Fitzinger, 1843
Philodendrus Agassiz, 1846
Philodryas Wagler, 1830
Philothamnus Smith, 1847
Phimophis Cope, 1860
Phimothyra Cope, 1860
Phragmitophis Günther, 1862
Phrydops Boulenger, 1905
Phrynonax Cope, 1862
Phyllophis Günther, 1864
Phyllorhynchus Stejneger, 1890
Phyllosira Cope, 1862
Phytolopsis Gray, 1849
Pituophis Holbrook, 1842
Plagiodon Duméril, 1853
Plagiopholis Boulenger, 1893
Platyceps Blyth, 1860
Platypterix Duméril & Bibron, 1854
Platypteryx Duméril, 1853
Pliocercus Cope, 1860
Poecilopholis Boulenger, 1903
Pogonaspis Cope, 1894
Polyodontophis Boulenger, 1890
Proboscidophis Fan, 1931
Procinura Cope, 1879
Procteria Werner, 1924
Prosymna Gray, 1849
Proterodon Hallowell, 1860
Protropidonotus
Psammodynastes Günther, 1858
Psammophis Fitzinger, 1826
Psammophylax Fitzinger, 1843
Pseudablabes Boulenger, 1896
Pseudagkistrodon Van Denburgh, 1909
Pseudalsophis Zaher, Grazziotin, Cadle, Murphy, de Moura-Leite & Bonatto, 2009
Pseudaspis Fitzinger, 1843
Pseudoboa Schneider, 1801
Pseudoboodon Peracca, 1897
Pseudocemophora Auffenberg, 1963
Pseudoclelia Rendahl & Vestergren, 1941
Pseudocyclophis Böttger, 1888
Pseudoeryx Jan, 1862
Pseudoficimia Bocourt, 1883
Pseudoleptodeira Taylor, 1939
Pseudopareas Boulenger, 1896
Pseudophis Fitzinger, 1843
Pseudorabdion Jan, 1862
Pseudotarbophis Domergue, 1955
Pseudotomodon Koslowsky, 1896
Pseudoxenodon Boulenger, 1890
Pseudoxyrhopus Günther, 1881
Pseustes Fitzinger, 1843
Psomophis Myers & Cadle, 1994
Ptyas Fitzinger, 1843
Ptychophis Gomes, 1915
Pythonodipsas Günther, 1868
Pythonopsis Peters, 1871
Rabdion Duméril, 1853
Rabdosoma Duméril, 1853
Rachidelus Boulenger, 1908
Rachiodon Jourdan, 1833
Raclitia Gray, 1842
Regina Baird & Girard, 1853
Rhabdophis Fitzinger, 1843
Rhabdops Boulenger, 1893
Rhabdosoma Günther, 1858
Rhabdotophis Werner, 1909
Rhachidelus Boulenger, 1908
Rhadinaea Cope, 1863
Rhadinea Cope, 1863
Rhadinella Smith, 1941
Rhadinophanes Myers & Campbell, 1981
Rhadinophis Vogt, 1922
Rhagerhis Peters, 1862
Rhagerrhis Günther, 1866
Rhamnophis Günther, 1862
Rhamphiophis Peters, 1854
Rhamphophis Boulenger, 1892
Rhegnops Cope, 1866
Rhinechis Michahelles, 1832
Rhinobothryum Wagler, 1830
Rhinocheilus Baird & Girard, 1853
Rhinodryas Werner, 1903
Rhinostoma Fitzinger, 1826
Rhynchocalamus Günther, 1865
Rhynchonyx Peters, 1869
Rhynchophis Mocquard, 1897
Salvadora Baird & Girard, 1853
Saphenophis Myers, 1972
Scaphiodontophis Taylor & Smith, 1943
Scaphiophis Peters, 1870
Schmidtophis Taylor, 1949
Schwartzophis Zaher, Grazziotin, Cadle, Murphy, de Moura-Leite & Bonatto, 2009
Scolecophis Fitzinger, 1843
Scotophis Baird & Girard, 1853
Seminatrix Cope, 1895
Senticolis Dowling & Fries, 1987
Sibon Fitzinger, 1826
Sibynomorphus Fitzinger, 1843
Sibynophis Fitzinger, 1843
Siebenrockia Poche, 1904
Simocephalus Günther, 1858
Simophis Peters, 1860
Sinonatrix Rossman & Eberle, 1977
Siphlophis Fitzinger, 1843
Sonora Baird & Girard, 1853
Sordellina Proctor, 1923
Spalerosophis Jan, 1865
Spaniopholis Mocquard, 1897
Sphalerosophis Kramer & Schurrenberger, 1963
Sphecodes Duméril, 1853
Sphenocalamus Fischer, 1883
Spilotes Wagler, 1830
Stegonotus Duméril & Bibron, 1854
Stenophis Boulenger, 1896
Stenorhabdium Werner, 1909
Stenorrhina Duméril, 1853
Stilosoma Brown, 1890
Stoliczkaia Jerdon, 1870
Storeria Baird & Girard, 1853
Stremmatognathus Duméril & Bibron, 1854
Streptophorus Duméril & Bibron, 1854
Stylophis Berg, 1901
Styporhynchus Peters, 1863
Sympeltophis Werner, 1925
Symphimus Cope, 1870
Sympholis Cope, 1862
Synchalinus Cope, ?, 1894
Synophis Peracca, 1896
Tachymenis Wiegmann, 1835
Tachynectes Fitzinger, 1843
Tachyplotus Reinhardt, 1866
Taeniophallus Cope, 1895
Taeniophis Kaup, 1860
Tantalophis Duellman, 1958
Tantilla Baird & Girard, 1853
Tantillita Smith, 1941
Taphrometopon Brandt, 1838
Tapinophis Boulenger, 1899
Tarbophis Fleischmann, 1831
Teleolepis Cope, 1869
Telescopus Wagler, 1830
Temnorhynchus Smith, 1849
Tetragonosoma Günther, 1858
Tetralepis Böttger, 1892
Texasophis
Thalesius Yuki, 1993
Thamnodynastes Wagler, 1830
Thamnophis Fitzinger, 1843
Thelotornis Smith, 1849
Thermophis Malnate, 1953
Thrasops Hallowell, 1857
Thyphlogeophis Carus, 1879
Toluca Kennicott, 1859
Tomodon Duméril, 1853
Toxicodryas Hallowell, 1857
Trachischium Günther, 1853
Trachyophis Werner, 1925
Tragophis Fitzinger, 1861
Tragops Wagler, 1830
Tretanorhinus Duméril, Bibron & Duméril, 1854
Triglyphodon Duméril, 1853
Trigonocephalus Oppel, 1811
Trigonurus Duméril, 1853
Trimerodytes Cope, 1895
Trimerorhinus Smith, 1847
Trimetopon Cope, 1885
Trimorphodon Cope, 1861
Tripanurgos Fitzinger, 1843
Tripanurgus Agassiz, 1846
Trirhinopholis Boulenger, 1893
Tropidoclonion Cope, 1860
Tropidodipsas Günther, 1858
Tropidodryas Fitzinger, 1843
Tropidonophis Jan, 1863
Typhlocalamus Günther, 1872
Typhlogeophis Günther, 1879
Tyria Fitzinger, 1826
Ulupe Blanford, 1878
Umbrivaga Roze, 1964
Uromacer Duméril, Bibron & Duméril, 1854
Uromacerina Amaral, 1929
Urotheca Cocteau & Bibron, 1843
Virginia Baird & Girard, 1853
Waglerophis Romano & Hoge, 1973
Wallophis Werner, 1929
Wernerodakaria Strand, 1928
Xenelaphis Günther, 1864
Xenochrophis Günther, 1864
Xenodermus Reinhardt, 1837
Xenodon Boie, 1826
Xenopholis Peters, 1869
Xenoxybelis
Xenurophis Günther, 1863
Xyelodontophis Broadley & Wallach, 2002
Xylophis Beddome, 1878
Zacholus Wagler, 1830
Zamenis Wagler, 1830
Zamenophis Günther, 1872
Zaoccys Sclater, 1891
Zaocys Cope, 1860
Zapyrus Günther, 1864
Zelceophis Szyndlar, 1984