A further comparison of the South African dinocephalians with the American pelycosaurs. Bulletin of the AMNH ; v. 33, article 9.

Broom, Robert, 1866-1951.2005-10-062005-10-061914http://hdl.handle.net/2246/1367p. 135-141 : ill. ; 24 cm.5332426 bytesapplication/pdfen-USQH1 .A4 vol.33, art.9, 1914Dinocephalia.Pelycosauria.Reptiles, Fossil -- South Africa.Reptiles, Fossil -- North America.Paleontology -- Permian -- South Africa.Paleontology -- Permian -- North America.Paleontology -- South Africa.Paleontology -- North America.A further comparison of the South African dinocephalians with the American pelycosaurs. Bulletin of the AMNH ; v. 33, article 9.South African dinocephalianstext