01761oam 2200505 450 991070626140332120171012095603.0(CKB)5470000002455822(OCoLC)891598887(OCoLC)995470000002455822(EXLCZ)99547000000245582220140929d1953 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierAmerican Triassic coiled nautiloids /by Bernard KummelWashington :United States Department of the Interior, Geological Survey,1953.1 online resource (iv, 104 pages, 18 unnumbered pages of plates) illustrationsGeological Survey professional paper ;250Title from title screen (viewed September 29, 2014)."A study of the classification and evolution of late Paleozoic and early Mesozoic cephalopods, and description of new species."Includes bibliographical references (pages 89-93) and index.Nautiloidea, FossilPaleontologyTriassicNautiloidea, FossilfastPaleontologyfastTriassic Geologic PeriodfastNautiloidea, Fossil.PaleontologyNautiloidea, Fossil.Paleontology.Triassic Geologic Period.Kummel Bernhard1919-1980,270936Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910706261403321American Triassic coiled nautiloids3442164UNINA