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Pseudemys williamsi Rose and Weaver 1966

PaleoDB taxon number: 366267

Alternative combination: Chrysemys williamsi

Full reference: F. L. Rose and W. G. Weaver. 1966. Two new species of Chrysemys (= Pseudemys) from the Florida Pliocene. Tulane Studies in Geology and Paleontology 5(1):41-48

Belongs to Pseudemys according to E. Vlachos 2018

Sister taxa: Pseudemys alabamensis, Pseudemys carri, Pseudemys concinna, Pseudemys floridana, Pseudemys gorzugi, Pseudemys idahoensis, Pseudemys nelsoni, Pseudemys peninsularis, Pseudemys rubriventris, Pseudemys texana

Type specimen: UF 11561, a shell. Its type locality is McGehee Farm, which is in a Hemphillian terrestrial horizon in the Alachua Formation of Florida.