Author:
Winslow,M.R.
Year:
1957
Title:
Upper Mississippian-Lower Pennsylvanian megaspores
Reference:
Winslow,M.R. (1957) Upper Mississippian-Lower Pennsylvanian megaspores Geological Society of America Bulletin Vol. 68 # 12 P. 1903- 1903
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Genus Species Country(Region) From To
Megaspore Megaspore sp Illinois Chesterian Early Pennsylvanian