02319oam 2200625 450 991070673610332120180123105308.0(CKB)5470000002458098(OCoLC)896810146(OCoLC)995470000002458098(EXLCZ)99547000000245809820141123d1975 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierPelecypoda and Rostroconchia of the Amsden Formation (Mississippian and Pennsylvanian) of Wyoming /by Mackenzie Gordon, Jr., and John Pojeta, JrWashington :United States Department of the Interior, Geological Survey,1975.1 online resource (iii, E24 pages, 4 unnumbered pages of plates) illustrationsGeological Survey professional paper ;848-ETitle from title screen (viewed October 2, 2014)."The Amsden Formation (Mississippian and Pennsylvanian) of Wyoming.""Descriptions and illustrations of 41 taxa of pelecypods and 1 rostroconchian, with comments on their distribution."Includes bibliographical references (pages E20-E22) and index.Pelecypoda and Rostroconchia of the Amsden Formation Bivalves, FossilRostroconchiaPaleontologyCarboniferousPaleontologyWyomingBivalves, FossilfastCarboniferous Geologic PeriodfastPaleontologyfastRostroconchiafastWyomingfastBivalves, Fossil.Rostroconchia.PaleontologyPaleontologyBivalves, Fossil.Carboniferous Geologic Period.Paleontology.Rostroconchia.Gordon Mackenzie1913-1389569Pojeta JohnJr.,Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910706736103321Pelecypoda and Rostroconchia of the Amsden Formation (Mississippian and Pennsylvanian) of Wyoming3542849UNINA