Two pelobatid frogs from the Tertiary of North America and their relationships to fossil and Recent forms. American Museum novitates ; no. 1762

Zweifel, Richard George, 1926-Clark, John, 1909-1967.Alexander, Annie Montague, 1867-1950.Kellogg, Louise Phelps, d. 1942.2005-10-062005-10-061956http://hdl.handle.net/2246/245345 p. : ill., maps ; 24 cm.Includes bibliographical references (p. 43-45).5684033 bytesapplication/pdfen-USQL1 .A436 no.1762, 1956Eopelobates grandis.Scaphiopus alexanderi.Pelobatidae -- Evolution.Anura -- Evolution -- North America.Anura, Fossil -- South Dakota -- Pennington County.Anura, Fossil -- Nevada -- Fish Lake Watershed.Amphibians, Fossil -- South Dakota -- Pennington County.Amphibians, Fossil -- Nevada -- Fish Lake Watershed.Paleontology -- Oligocene -- South Dakota -- Pennington County.Paleontology -- Pliocene -- Nevada -- Fish Lake Watershed.Paleontology -- South Dakota -- Pennington County.Paleontology -- Nevada -- Fish Lake Watershed.Two pelobatid frogs from the Tertiary of North America and their relationships to fossil and Recent forms. American Museum novitates ; no. 1762Pelobatid frogstext