Short, Lester L.2005-10-062005-10-061969http://hdl.handle.net/2246/25797 p. : ill. ; 24 cm.Includes bibliographical references (p. 7).857424 bytesapplication/pdfen-USQL1 .A436 no.2369, 1969Paracygnus plattensis.Birds, Fossil -- Nebraska -- Frontier County.Paleontology -- Pliocene -- Nebraska -- Frontier County.Paleontology -- Nebraska -- Frontier County.A new genus and species of gooselike swan from the Pliocene of Nebraska. American Museum novitates ; no. 2369Pliocene swantext