02066oam 2200565 450 991070696120332120180412080015.0(CKB)5470000002459865(OCoLC)896810630(OCoLC)995470000002459865(EXLCZ)99547000000245986520141123d1979 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierNorth American Paleozoic land snails with a summary of other Paleozoic nonmarine snails /by Alan Solem and Ellis L. YochelsonWashington :United States Department of the Interior, Geological Survey,1979.1 online resource (iii, 42 pages, 10 unnumbered pages of plates) illustrations, mapsGeological Survey professional paper ;1072Title from title screen (viewed October 6, 2014)."A redescription and review of Pennsylvanian and Early Permian terrestrial forms, demonstrating the early diversification of the Pulmonata."Includes bibliographical references (pages 36-38) and index.North American Paleozoic land snails Gastropoda, FossilPaleontologyPaleozoicPaleontologyNorth AmericaGastropoda, FossilfastPaleontologyfastPaleozoic Geologic PeriodfastNorth AmericafastGastropoda, Fossil.PaleontologyPaleontologyGastropoda, Fossil.Paleontology.Paleozoic Geologic Period.Solem Alan1931-88192Yochelson Ellis L(Ellis Leon),1928-2006,Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910706961203321North American Paleozoic land snails3478749UNINA