On the group of fossil turtles known as the Amphichelydia ; with, Remarks on the origin and relationships of the suborders, superfamilies, and families of testudines. Bulletin of the AMNH ; v. 21, article 9.

Hay, Oliver Perry, 1846-1930.2005-10-062005-10-061905http://hdl.handle.net/2246/1462p. 137-175 : ill. ; 24 cm.Includes bibliographical references (p. 174-175).4665175 bytesapplication/pdfen-USQH1 .A4 vol.21, art.9, 1905Amphichelydia.Turtles, Fossil.Turtles -- Phylogeny.On the group of fossil turtles known as the Amphichelydia ; with, Remarks on the origin and relationships of the suborders, superfamilies, and families of testudines. Bulletin of the AMNH ; v. 21, article 9.text