Reptilia - Rhynchocephalia

Full reference: O. P. Hay. 1930. Second Bibliography and Catalogue of the Fossil Vertebrata of North America 390(II):1-1074

Parent taxon: Rhynchocephalia according to O. P. Hay 1930

Sister taxa: Clarazisauria, Colobops, Eifelosaurus, Gephyrosauridae, Gephyrosaurus, Hamatopus, Pachystropheidae, Sauranodontes, Tholodontidae, Vadasaurus

Subtaxa: none

Ecology:

Distribution: there are no occurrences of Sphenodontiformes in the database

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