Books by James Morton Schopf
Total count: 14
Spores from the Herrin (no. 6) coal bed in IllinoisPrinted by authority of the State of Illinois1938-01-01
Two new lycopod seeds from the Illinois PennsylvanianIllinois State Geological Survey1938-01-01
A new cycadophyte and its relativesState Geological Survey1939-01-01
Coal balls as an index to the constitution of coalState Geological Survey1939-01-01
Contributions to Pennsylvanian paleobotany Mazocarpon oedipternumsp. nov. and Sigillarian relationships1941-01-01
Contributions to Pennsylvanian paleobotanyNotes on the Lepidocarpaceae1941-01-01
The embryology of LarixThe University of Illinois Press1943-01-01
An annotated synopsis of paleozoic fossil sporesand the definition of generic groupsIllinois State Geological Survey1944-01-01
Pteridosperm male fructificationsAmerican species of Dolerotheca, with notes regarding certain allied forms.Illinois State Geological Survey1949-01-01