Classification of Reynoso 1996

Superor. Lepidosauria Haeckel 1866 [lepidosaur]
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Or. Sphenodontia Jaekel 1910
Or. Sphenodonti Jaekel 1910
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Fm. Sphenodontidae Cope 1871
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Subfm. Sphenodontinae Cope 1871
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G. †Cynosphenodon Reynoso 1996
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