Limbs of Theriodesmus, Scymnognathus, Protorosaurus, Araeoscelis, and Sceloporus, Samuel Wendell Williston, 1925

Illustration of limbs of theriodesmus, scymnognathus, protorosaurus, araeoscelis, and sceloporus from the osteology of the reptiles (1925). Date: 1925. The Osteology of the Reptiles p172