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Author:
Ravn,R.L.
Year:
1979
Title:
An introduction to the stratigraphic palynology of the Cherokee Group (Pennsylvanian) coals of Iowa.
Reference:
Ravn,R.L. (1979) An introduction to the stratigraphic palynology of the Cherokee Group (Pennsylvanian) coals of Iowa. Iowa Geological Survey,Technical Paper # 6 P. 1- 117
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Genus Species Country(Region) From To
Punctatisporites Punctatisporites spinulistratus Iowa Pennsylvanian
Punctatisporites Punctatisporites stramineus Iowa Pennsylvanian
Radiizonates Radiizonates difformis Iowa Pennsylvanian
Raistrickia Raistrickia crocea Iowa Pennsylvanian
Raistrickia Raistrickia lacerata Iowa Pennsylvanian
Raistrickia Raistrickia lowellensis Iowa Pennsylvanian
Raistrickia Raistrickia macra Iowa Pennsylvanian
Raistrickia Raistrickia pilosa Iowa Pennsylvanian
Raistrickia Raistrickia protensa Iowa Pennsylvanian
Reinschospora Reinschospora speciosa Iowa Pennsylvanian
Reinschospora Reinschospora triangularis Iowa Pennsylvanian
Reticulatisporites Reticulatisporites reticulatus Iowa Pennsylvanian
Savitrisporites Savitrisporites nux Iowa Pennsylvanian
Savitrisporites Savitrisporites sp.1 sp. nov. Iowa Pennsylvanian
Schopfipollenites Schopfipollenites ellipsoides Iowa Pennsylvanian
Schopfipollenites Schopfipollenites sp.1 sp. nov. Iowa Pennsylvanian
Simozonotriletes Simozonotriletes intortus Iowa Pennsylvanian