02152oam 2200613 450 991070574570332120170705105211.0(CKB)5470000002452951(OCoLC)891575060(OCoLC)995470000002452951(EXLCZ)99547000000245295120140929d1969 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierEarly Pennsylvanian ammonoids from southern Nevada /by Mackenzie Gordon, JrWashington :United States Department of the Interior, Geological Survey,1969.1 online resource (iii, C13 pages) illustrations, mapGeological Survey professional paper ;613-CContributions to paleontologyTitle from title screen (viewed September 24, 2014)."Four species of late Morrow age characterize the Diaboloceras peroccidens Zone at the base of the Pennsylvanian sequence in Clark and Nye Counties."Includes bibliographical references (page C11) and index.AmmonoideaNevadaClark CountyAmmonoideaNevadaNye CountyPaleontologyPennsylvanianPaleontologyNevadaClark CountyPaleontologyNevadaNye CountyAmmonoideafastPaleontologyfastPennsylvanian Geologic PeriodfastNevadaClark CountyfastNevadaNye CountyfastAmmonoideaAmmonoideaPaleontologyPaleontologyPaleontologyAmmonoidea.Paleontology.Pennsylvanian Geologic Period.Gordon Mackenzie1913-1389569Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910705745703321Early Pennsylvanian ammonoids from southern Nevada3484589UNINA