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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
Triquitrites Triquitrites protensus Iowa Pennsylvanian
Triquitrites Triquitrites sculptilis Iowa Pennsylvanian
Triquitrites Triquitrites subspinosus Iowa Pennsylvanian
Indospora Indospora boleta Iowa Pennsylvanian
Zosterosporites Zosterosporites triangularis Iowa Pennsylvanian
Simozonotriletes Simozonotriletes intortus Iowa Pennsylvanian
Knoxisporites Knoxisporites stephanophorus Iowa Pennsylvanian
Knoxisporites Knoxisporites triradiatus Iowa Pennsylvanian
Reticulatisporites Reticulatisporites reticulatus Iowa Pennsylvanian
Reinschospora Reinschospora speciosa Iowa Pennsylvanian
Reinschospora Reinschospora triangularis Iowa Pennsylvanian
Cuneisporites Cuneisporites Iowa Pennsylvanian
Cuneisporites Cuneisporites rigidus sp. nov. Iowa Pennsylvanian
Cuneisporites Cuneisporites tetanisporites sp. nov. Iowa Pennsylvanian
Cuneisporites Cuneisporites granulatus sp. nov. Iowa Pennsylvanian
Savitrisporites Savitrisporites nux Iowa Pennsylvanian
Savitrisporites Savitrisporites sp.1 sp. nov. Iowa Pennsylvanian