The relationships of the rhachitomous amphibian Parioxys. American Museum novitates ; no. 2167

Carroll, Robert Lynn, 1938-2005-10-062005-10-061964http://hdl.handle.net/2246/335111 p. : ill. ; 24 cm.Includes bibliographical references (p. 11).867324 bytesapplication/pdfen-USQL1 .A436 no.2167, 1964Parioxys.Amphibians, Fossil -- Texas.Paleontology -- Permian -- Texas.Paleontology -- Texas.The relationships of the rhachitomous amphibian Parioxys. American Museum novitates ; no. 2167text