Simpson, George Gaylord, 1902-Thomson, Albert.2005-10-062005-10-061941http://hdl.handle.net/2246/225421 p. ; 24 cm.Includes bibliographical references (p. 20-21).2929258 bytesapplication/pdfen-USQL1 .A436 no.1123, 1941Hoplophoneus.Saber-toothed tigers.Mammals, Fossil -- South Dakota.Mammals, Fossil -- West (U.S.)Paleontology -- Oligocene -- South Dakota.Paleontology -- Oligocene -- West (U.S.)Paleontology -- South Dakota.Paleontology -- West (U.S.)The species of Hoplophoneus. American Museum novitates ; no. 1123text