†Theretairus antiquus Simpson 1926 (lepidosaur)
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Reptilia - Eosuchia - Sphenodontidae
Full reference: G. G. Simpson. 1926. American terrrestrial Rhynchocephalia. American Journal of Science 12(67):12-16
Belongs to Theretairus according to O. P. Hay 1930
See also Simpson 1926
Sister taxa: none
Type specimen: YPM 13764, a mandible. Its type locality is Quarry 9, Como Bluff (YPM), which is in a Kimmeridgian/Tithonian fluvial-lacustrine mudstone/sandstone in the Morrison Formation of Wyoming.
Ecology:
Distribution: found only at Quarry 9, Como Bluff (YPM)
Specimen images are retrieved through the ePANDDA API.
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