02146oam 2200553 450 991070674770332120180117093617.0(CKB)5470000002457981(OCoLC)896810102(OCoLC)995470000002457981(EXLCZ)99547000000245798120141123d1971 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierNew and little-known ammonites from the Upper Cretaceous (Cenomanian and Turonian) of the western interior of the United States /by William A. CobbanWashington :United States Department of the Interior, Geological Survey,1971.1 online resource (iii, 24 pages, 18 unnumbered pages of plates) illustrations, mapGeological Survey professional paper ;699Title from title screen (viewed September 30, 2014)."A species each of Anisoceras, Desmoceras, Tragodesmoceras, Calycoceras, Nigericeras, and Paracompsoceras (new genus) is described and illustrated."Includes bibliographical references (pages 20-22) and index.New and little-known ammonites from the Upper Cretaceous AmmonoideaWest (U.S.)PaleontologyCretaceousPaleontologyWest (U.S.)AmmonoideafastCretaceous Geologic PeriodfastPaleontologyfastUnited States, WestfastAmmonoideaPaleontologyPaleontologyAmmonoidea.Cretaceous Geologic Period.Paleontology.Cobban William A.1916-2015,1390881Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910706747703321New and little-known ammonites from the Upper Cretaceous (Cenomanian and Turonian) of the western interior of the United States3505104UNINA