Contributions to Pennsylvanian paleobotany Mazocarpon oedipternum
Subtitle: sp. nov. and Sigillarian relationships
By: by James M. Schopf ... Printed by authority of the state of Illinois.
Series: Illinois.  State geological survey.  Report of investigations; no. 75
Published: 1941
Place of publication: Urbana, Ill
Language: eng
Number of pages: 53
Subjects: Paleobotany -- Pennsylvanian.; Mazocarpon.; Paleobotany -- Illinois.
Notes: "References": p.38-40.
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.