The dentition of Ornithorhynchus as evidence of its affinities. American Museum novitates ; no. 390

Simpson, George Gaylord, 1902-2005-10-062005-10-061929http://hdl.handle.net/2246/313615 p. : ill. ; 23 cm.Includes bibliographical references (p. 15).1519801 bytesapplication/pdfen-USQL1 .A436 no.390, 1929Ornithorhynchus.Dentition.Teeth -- Evolution.Monotremes -- Evolution.Mammals -- Evolution -- Australia.The dentition of Ornithorhynchus as evidence of its affinities. American Museum novitates ; no. 390text