LEADER 01546oam 2200445 450 001 9910705729703321 005 20170705110835.0 035 $a(CKB)5470000002453112 035 $a(OCoLC)891575106 035 $a(OCoLC)995470000002453112 035 $a(EXLCZ)995470000002453112 100 $a20140929d1966 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aMattheva, a proposed new class of mollusks /$fby Ellis L. Yochelson 210 1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1966. 215 $a1 online resource (iii, B11 pages, 1 page of plates) $cillustrations 225 1 $aGeological Survey professional paper ;$v523-B 225 1 $aContributions to paleontology 300 $aTitle from title screen (viewed September 24, 2014). 300 $a"A discussion of the biologic placement of the Late Cambrian fossil Matthevia." 320 $aIncludes bibliographical references (page B9) and index. 606 $aMollusks, Fossil$vClassification 606 $aMollusks$2fast 615 0$aMollusks, Fossil 615 7$aMollusks. 700 $aYochelson$b Ellis L$g(Ellis Leon),$f1928-2006,$01389960 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910705729703321 996 $aMattheva, a proposed new class of mollusks$93447158 997 $aUNINA