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
Apiculatisporis Apiculatisporis saetiger Kentucky Conemaugh Monongahela
Apiculatisporis Apiculatisporis sp Iowa Pennsylvanian
Apiculatisporis Apiculatisporis variocorneus Iowa Pennsylvanian
Apiculatisporites Apiculatisporites abditus Iowa Pennsylvanian
Aumancisporites Aumancisporites striatus Iowa Pennsylvanian
Azonotriletes Azonotriletes reticulatus Iowa Pennsylvanian
Calamisporites Calamisporites minutus Iowa Pennsylvanian
Calamospora Calamospora breviradiata Iowa Pennsylvanian
Calamospora Calamospora elliptica Iowa Pennsylvanian
Calamospora Calamospora hartungiana Iowa Pennsylvanian
Calamospora Calamospora liquida Iowa Pennsylvanian
Calamospora Calamospora mutabilis Iowa Pennsylvanian
Calamospora Calamospora nebulosa sp. nov. Iowa Pennsylvanian
Calamospora Calamospora pedata Iowa Pennsylvanian
Calamospora Calamospora straminea Iowa Pennsylvanian
Calamosporites Calamosporites pedatus Iowa Pennsylvanian
Camptotriletes Camptotriletes bucculentus Iowa Pennsylvanian