01274cam a22002531 4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111050001800130100004800148245014100196260002900337300002300366410007100389500020600460500008200666500019100748504002900939650002300968650002900991gs 43000010 DLC20260227111348.0790608r1942uuuuilua b s000 0 eng  ags 43000010  a(OCoLC)5048587 aDLCcTxCMdDLC00aQE817.O8bC631 aCooper, Chalmer L.q(Chalmer Lewis),d1898-10aOccurrence and stratigraphic distribution of Paleozoic ostracodes,cby Chalmer L. Cooper. Printed by authority of the state of Illinois. aUrbana, Illinois,c1942. a764-776 p.billus.20aIllinois State Geological SurveytReport of investigationsvno. 83 aAt head of title: State of Illinois, Dwight H. Green, Governor. Dept. of Registration and Education, Frank G. Thompson, Director. Division of the State Geological Survey, M. M. Leighton, Chief, Urbana. a"Reprinted from the Journal of Paleontology, vol. 16, no. 6, November, 1942." a"Presented at the conference of the Research Committee on Sedimentation, at the 27th Annual meeting of the American Association of Petroleum Geologists, Denver, April 21, 1942."--p. 764. aReferences: p. 773, 776. 0aOstracoda, Fossil. 0aPaleontologyyPaleozoic.