LEADER 01940oam  2200565   450 
001 9910706291103321
005 20170929082147.0
035   $a(CKB)5470000002455522
035   $a(OCoLC)891598840
035   $a(OCoLC)995470000002455522
035   $a(EXLCZ)995470000002455522
100   $a20140929d1951      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aScaphitoid cephalopods of the Colorado group /$fby W. A. Cobban
210  1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1951.
215   $a1 online resource (iii, 42 pages, 21 pages of plates) $cillustrations, maps
225 1 $aGeological Survey professional paper ;$v239
300   $aTitle from title screen (viewed September 29, 2014).
300   $a"Evolution of scaphites and related genera, with descriptions and illustrations of new species and a new genus from western interior United States."
320   $aIncludes bibliographical references (page 39) and index.
606   $aAmmonoidea$zWest (U.S.)
606   $aScaphitidae$zWest (U.S.)
606   $aPaleontology$yCretaceous
606   $aAmmonoidea$2fast
606   $aCretaceous Geologic Period$2fast
606   $aPaleontology$2fast
606   $aScaphitidae$2fast
607   $aMiddle West$2fast
615  0$aAmmonoidea
615  0$aScaphitidae
615  0$aPaleontology
615  7$aAmmonoidea.
615  7$aCretaceous Geologic Period.
615  7$aPaleontology.
615  7$aScaphitidae.
700   $aCobban$b William A.$f1916-2015,$01390881
712 02$aGeological Survey (U.S.),
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910706291103321
996   $aScaphitoid cephalopods of the Colorado group$93515750
997   $aUNINA