Classification of McDowell and Bogert 1954

Or. Squamata Oppel 1811 [squamates]
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Infraor. Anguinomorpha Fürbringer 1900
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Superfm. †Diploglossa Cope 1864
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Fm. Anguinidae Gray 1825
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Subfm. †Anguininae Gray 1825
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G. Anguis Linnaeus 1758 [slow worm]
Subfm. †Diploglossinae Boucourt 1873
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G. Celestus Gray 1838
G. Diploglossus Wiegmann 1828
G. Ophiodes Boulenger 1894 [South American worm lizards]
G. †Xestops Cope 1873
Subfm. Gerrhonotinae Cope 1864
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G. Abronia Gray 1838 [Arboreal alligator lizards]
G. Coloptychon Peters 1877
G. Gerrhonotus Wiegmann 1828 [alligator lizard]
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Invalid names: Elgaria Gray 1838 [synonym]
G. Ophisaurus Daudin 1803 [glass lizard]
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Invalid names: Dopasia Gray 1853 [synonym], Ophisauriscus Kühn 1940 [synonym], Parapseudopus Kuhn 1940 [synonym], Propseudopus Hilgendorf 1883 [synonym], Pseudopus Merrem 1820 [synonym]
G. †Peltosaurus Cope 1873
G. †Placosauriops Kuhn 1940
G. †Placosauroides Kuhn 1940
Subfm. †Glyptosaurinae Marsh 1872
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G. †Glyptosaurus Marsh 1871
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Invalid names: Helodermoides Douglass 1903 [synonym]
G. †Placosaurus Gervais 1852
Fm. Xenosauridae Cope 1866
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Subfm. Shinisaurinae Ahl 1930
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G. †Exostinus Cope 1873
G. †Necrosaurus Filhol 1876
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Invalid names: Melanosauroides Kuhn 1940 [synonym], Palaeovaranus Zittel 1887 [synonym]
G. Shinisaurus Ahl 1930 [Chinese crocodile lizard]
Subfm. Xenosaurinae McDowell and Bogert 1954
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G. Xenosaurus Gray 1856 [American knob-scaled lizards]
Invalid names: Melanosaurinae Gilmore 1928 [empty]
Invalid names: Anguinoidea Hay 1930 [synonym], Anniellidae [empty]
Superfm. Platynota Baur 1890
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Fm. †Aigialosauridae Kramberger 1892
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G. †Aigialosaurus Kramberger 1892
G. †Carsosaurus Kornhuber 1893
G. †Eidolosaurus Nopcsa 1923
G. †Mesoleptos Cornalia and Chiozza 1852
G. †Opetiosaurus Kornhuber 1902
Fm. †Dolichosauridae Gervais 1852
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G. †Acteosaurus von Meyer 1860
G. †Adriosaurus Seeley 1881
G. †Dolichosaurus Owen 1850
G. †Pachyophis Nopcsa 1923
G. †Pontosaurus Kramberger 1892
G. †Symoliophis Sauvage 1880
Fm. †Mosasauridae Gervais 1852 [mosasaur]
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G. †Amphekepubis Mehl 1930
G. †Ancylocentrum Schmidt 1927
G. †Baptosaurus Marsh 1870
G. †Clidastes Cope 1868
G. †Coniasaurus Owen 1850
G. †Diplotomodon Leidy 1868
G. †Dollosaurus Yakovlev 1901
G. †Elliptonodon Emmons 1858
G. †Globidens Gilmore 1912
G. †Hainosaurus Dollo 1885
G. †Holcodus Gibbes 1851
G. †Holosaurus Marsh 1880
G. †Leptosaurus Fitzinger 1837
G. †Macrosaurus Owen 1849
G. †Mosasaurus Parkinson 1822
G. †Nectoportheus Cope 1868
G. †Platecarpus Cope 1869
G. †Plesiotylosaurus Camp 1942
G. †Plioplatecarpus Dollo 1882
G. †Plotosaurus Camp 1951
G. †Polygonodon Leidy 1856
G. †Pregnathosaurus Dollo 1889
G. †Sironectes Cope 1874
G. †Taniwhasaurus Hector 1874
G. †Tylosaurus Marsh 1872
Fm. Varanidae Hardwicke and Gray 1824 [monitor lizard]
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Subfm. †Saniwinae Camp 1923
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G. †Palaeosaniwa Gilmore 1928
G. †Parasaniwa Gilmore 1928
G. †Saniwa Leidy 1870
G. †Telmasaurus Gilmore 1943
Invalid names: Varaninae [empty]
Invalid names: Helodermatidae Gray 1837 [empty], Lanthanotidae Steindachner 1878 [empty], Varanoidea Gray 1827 [synonym]
Subcl. Dinosauria Owen 1842 [dinosaur]
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G. †Polyodontosaurus Gilmore 1932