Colbert, Edwin Harris, 1905-Brown, Barnum.Price, Llewellyn Ivor.Hayden, William B., paleontologist.2005-10-052005-10-051952http://hdl.handle.net/2246/419p. 565-592, [3] p. of plates (1 folded) : ill., map. ; 27 cm.Includes bibliographical references (p. 592).12278125 bytesapplication/pdfen-USHesperosuchus agilis.Reptiles, Fossil -- Arizona -- Coconino County.Paleontology -- Triassic -- Arizona -- Coconino County.Paleontology -- Arizona -- Coconino County.Paleontology -- Chinle Formation.text