Classification of Seiffert 1975

Or. Squamata Oppel 1811 [squamates]
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Subor. Lacertilia Owen 1842 [lizard]
Or. Lacertilia Owen 1842 [lizard]
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Infraor. Amphisbaenia Gray 1844 [worm lizard]
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Fm. Amphisbaenidae Gray 1865 [worm lizard]
Invalid names: Annulata [synonym]
Infraor. Anguimorpha F├╝rbringer 1900
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Superfm. †Anguoidea
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Fm. Anguidae Gray 1825
Fm. Xenosauridae Cope 1866
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Invalid names: Shinisauridae Ahl 1930 [synonym]
Superfm. †Varanoidea Gray 1827
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Fm. †Aigialosauridae Kramberger 1892
Fm. †Dolichosauridae Gervais 1852
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G. †Introrsisaurus Seiffert 1975
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Introrsisaurus pollicidens Seiffert 1975
Fm. †Dorsetisauridae Hoffstetter 1967
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G. †Lisboasaurus Seiffert 1975
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Lisboasaurus estesi Seiffert 1975
Lisboasaurus mitracostatus Seiffert 1975
Fm. Helodermatidae Gray 1837
Fm. Lanthanotidae Steindachner 1878
Fm. †Mosasauridae Gervais 1852 [mosasaur]
Fm. †Necrosauridae Hoffstetter 1943
Fm. †Parasaniwidae Estes 1964
Fm. Varanidae Hardwicke and Gray 1824 [monitor lizard]
Invalid names: Diploglossa Cope 1864 [synonym]
Infraor. †Eolacertilia Robinson 1967
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Fm. †Cteniogenyidae Seiffert 1975
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G. †Cteniogenys Gilmore 1928
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Cteniogenys antiquus Gilmore 1928
Cteniogenys reedi Seiffert 1975
Fm. †Kuehneosauridae Romer 1966
Infraor. Gekkota Cuvier 1817
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Fm. Gekkonidae Gray 1825 [gecko]
Fm. Pygopodidae Boulenger 1884
Invalid names: Nyctisaura Gray [synonym]
Infraor. Iguania Cuvier 1817
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Fm. Agamidae Gray 1827
Fm. Iguanidae Oppel 1811
Infraor. †Prolacertiformes Camp 1945
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Fm. †Prolacertidae Parrington 1935
Fm. †Tanystropheidae Gervais 1859
Fm. †Thalattosauridae Merriam 1904
Infraor. Scincomorpha Camp 1923
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Fm. †Ardeosauridae Camp 1923
Fm. Cordylidae Gray 1837 [spinytail lizard]
Fm. Dibamidae Boulenger 1884
Fm. Lacertidae Bonaparte 1831
Fm. Scincidae Gray 1825 [skink]
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G. †Becklesisaurus Hoffstetter 1967
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Becklesisaurus hoffstetteri Seiffert 1975
Becklesisaurus scincoides Hoffstetter 1967
G. †Saurillus Owen 1855
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Saurillus henkeli Seiffert 1975
Saurillus obtusus Owen 1855
Saurillus proraformis Estes 1983
Fm. Teiidae Gray 1827
Fm. Xantusiidae Baird 1858 [night lizard]
Invalid names: Leptoglossa [synonym]
Invalid names: Sauria MacCartney 1802 [synonym]
G. †Macellodus Owen 1854
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Macellodus brodiei Owen 1854