01805oam 2200505 450 991070658860332120171115080827.0(CKB)5470000002456558(OCoLC)891600294(OCoLC)995470000002456558(EXLCZ)99547000000245655820140929d1959 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierSuccession and speciation of the pelecypod Aucella /by Ralph W. ImlayWashington :United States Department of the Interior, Geological Survey,1959.1 online resource (21 unnumbered pages, 4 unnumbered pages of plates) illustrationsGeological Survey professional paper ;314-GShorter contributions to general geologyTitle from title screen (viewed September 26, 2014)."A study of the utility of pelecypod Aucella for mapping rock units in the Pacific coast region and Alaska."Includes bibliographical references (page 167) and index.Bivalves, FossilPaleontologyCretaceousPaleontologyJurassicPaleontologyPacific Coast (U.S.)PaleontologyAlaskaBivalves, Fossil.PaleontologyPaleontologyPaleontologyPaleontologyImlay Ralph W(Ralph Willard),1908-1989,1390990Geological Survey (U.S.),COPCOPOCLCOGPOBOOK9910706588603321Succession and speciation of the pelecypod Aucella3522192UNINA