01126cam a22002771 4500 gs 42000051 DLC 20260227111347.0 780911s1941 iluaf b s000 0 eng gs 42000051 (OCoLC)4212534 DLC UU OCoLC DLC premarc QE971 .S3 567/.9 Schopf, James Morton, 1911- Contributions to Pennsylvanian paleobotany Mazocarpon oedipternum, sp. nov. and Sigillarian relationships, by James M. Schopf ... Printed by authority of the state of Illinois. Urbana, Ill., 1941. 53p. incl.illus.,6pl. 25cm. Illinois. State geological survey. Report of investigations no. 75 At 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. "References": p.38-40. Paleobotany Pennsylvanian. Mazocarpon. Paleobotany Illinois. 27769 27769