| Familiae |
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Squamata Oppel, 1811 |
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Dibamidae Boulenger, 1884 |
Dibamidae |
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Amphisbaenia |
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Amphisbaenidae Gray, 1865 |
Amphisbaenidae |
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Bipedidae Taylor, 1951 |
Bipedidae |
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Rhineuridae Vanzolini, 1951 |
Rhineuridae |
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Trogonophidae Gray, 1865 |
Trogonophidae |
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Autarchoglossa |
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Anguidae Vanzolini, 1951 |
Anguidae |
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Anniellidae |
Anniellidae |
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Cordylidae Mertens, 1937 |
Cordylidae |
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Gerrhosauridae |
Gerrhosauridae |
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Gymnophthalmidae |
Gymnophthalmidae |
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Helodermatidae |
Helodermatidae |
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Lacertidae |
Lacertidae |
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Lanthanotidae Steindachner, 1877 |
Lanthanotidae |
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Scincidae |
Scincidae |
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Teiidae |
Teiidae |
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Varanidae |
Varanidae |
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Xantusiidae |
Xantusiidae |
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Xenosauridae Cope, 1866 |
Xenosauridae |
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Gekkota |
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Eublepharidae |
Eublepharidae |
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Gekkonidae |
Gekkonidae |
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Pygopodidae Boulenger, 1884 |
Pygopodidae |
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Iguania |
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Agamidae |
Agamidae |
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Chamaeleonidae |
Chamaeleonidae |
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Corytophanidae |
Corytophanidae |
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Crotaphytidae |
Crotaphytidae |
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Hoplocercidae |
Hoplocercidae |
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Iguanidae |
Iguanidae |
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Opluridae |
Opluridae |
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Phrynosomatidae |
Phrynosomatidae |
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Polychrotidae |
Polychrotidae |
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Tropiduridae |
Tropiduridae |
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Serpentes Linnaeus, 1758 |
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Alethinophidia Nopcsa, 1923 |
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Acrochordidae Bonaparte, 1831 |
Acrochordidae |
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Aniliidae Stejneger, 1907 |
Aniliidae |
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Anomochilidae Cundall, Wallach & Rossman, 1993 |
Anomochilidae |
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Atractaspididae Günther, 1858 |
Atractaspididae |
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Boidae Gray, 1825 |
Boidae |
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Bolyeriidae Hoffstetter, 1946 |
Bolyeriidae |
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Colubridae Oppel, 1811 |
Colubridae |
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Cylindrophiidae Fitzinger, 1843 |
Cylindrophiidae |
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Elapidae Boie, 1827 |
Elapidae |
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Hydrophiidae Smith, 1926 |
Hydrophiidae |
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Loxocemidae Cope, 1861 |
Loxocemidae |
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Pythonidae Fitzinger, 1826 |
Pythonidae |
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Tropidophiidae Brongersma, 1951 |
Tropidophiidae |
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Uropeltidae Müller, 1832 |
Uropeltidae |
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Viperidae Oppel, 1811 |
Viperidae |
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Xenopeltidae Bonaparte, 1845 |
Xenopeltidae |
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Scolecophidia Cope, 1864 |
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Anomalepididae Taylor, 1939 |
Anomalepididae |
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Leptotyphlopidae Stejneger, 1892 |
Leptotyphlopidae |
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Typhlopidae Merrem, 1820 |
Typhlopidae |