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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
Verrucosisporites Verrucosisporites verrucosus Iowa Pennsylvanian
Kewaneesporites Kewaneesporites patulus Iowa Pennsylvanian
Cyclogranisporites Cyclogranisporites aureus Iowa Pennsylvanian
Cyclogranisporites Cyclogranisporites leopoldi sp. nov. Iowa Pennsylvanian
Cyclogranisporites Cyclogranisporites microgranus Iowa Pennsylvanian
Cyclogranisporites Cyclogranisporites minutus Iowa Pennsylvanian
Cyclogranisporites Cyclogranisporites orbiculus Iowa Pennsylvanian
Cyclogranisporites Cyclogranisporites parvus Iowa Pennsylvanian
Cyclogranisporites Cyclogranisporites sp.1 sp. nov. Iowa Pennsylvanian
Granulatisporites Granulatisporites adnatoides Iowa Pennsylvanian
Granulatisporites Granulatisporites granularis Iowa Pennsylvanian
Granulatisporites Granulatisporites granularis Iowa Pennsylvanian
Granulatisporites Granulatisporites microgranifer Iowa Pennsylvanian
Granulatisporites Granulatisporites parvus Iowa Pennsylvanian
Lophotriletes Lophotriletes commissuralis Iowa Pennsylvanian
Lophotriletes Lophotriletes confertus sp. nov. Iowa Pennsylvanian
Lophotriletes Lophotriletes copiosus Iowa Pennsylvanian