A fossil porcupine from Arizona. Bulletin of the AMNH ; v. 20, article 32.

Allen, J. A. (Joel Asaph), 1838-1921.Godfrey, G. C. M.2005-10-062005-10-061904http://hdl.handle.net/2246/1459p. 383-384 ; 24 cm.137066 bytesapplication/pdfen-USQH1 .A4 vol.20, art.32, 1904Erethizon godfreyi.Porcupines, Fossil -- Arizona.Mammals, Fossil -- Arizona.Paleontology -- Pleistocene -- Arizona.Paleontology -- Arizona.A fossil porcupine from Arizona. Bulletin of the AMNH ; v. 20, article 32.text