Scales in the Permian amphibian Trimerorhachis. American Museum novitates ; no. 1740

Colbert, Edwin Harris, 1905-Witter, Robert V.2005-10-062005-10-061955http://hdl.handle.net/2246/244817 p. : ill. ; 24 cm.Includes bibliographical references (p. 16-17).5099200 bytesapplication/pdfen-USQL1 .A436 no.1740, 1955Trimerorhachis -- Anatomy.Scales (Reptiles) -- Evolution.Amphibians, Fossil.Amphibians -- Anatomy.Skin -- Evolution.Paleontology -- Permian -- Texas.Paleontology -- Texas.Scales in the Permian amphibian Trimerorhachis. American Museum novitates ; no. 1740Scales in Trimerorhachistext