Classification of Rage et al. 2008
Or. Squamata Oppel 1811 [squamates]
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Unr. Serpentes Linnaeus 1758 [snake]
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Fm. †Madtsoiidae Hoffstetter 1961
Fm. †Palaeophiidae Lydekker 1888
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Unr. Caenophidia Hoffstetter 1939
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Superfm. Colubroidea Oppel 1811
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Fm. †Russellophiidae Rage 1978
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G. †Krebsophis Rage and Werner 1999
G. †Russellophis Rage 1975
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†Russellophis crassus Rage et al. 2008
†Russellophis tenuis Rage 1975