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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
Acanthotriletes Acanthotriletes aculeolatus Iowa Pennsylvanian
Acanthotriletes Acanthotriletes echinatus Iowa Pennsylvanian
Acanthotriletes Acanthotriletes falcatus Iowa Pennsylvanian
Acanthotriletes Acanthotriletes triquetrus Iowa Pennsylvanian
Adelisporites Adelisporites Iowa Pennsylvanian
Adelisporites Adelisporites multiplicatus sp. nov. Iowa Pennsylvanian
Ahrensisporites Ahrensisporites guerickei Iowa Pennsylvanian
Ahrensisporites Ahrensisporites vagus Iowa Pennsylvanian
Alatisporites Alatisporites pustulatus Iowa Pennsylvanian
Alisporites Alisporites hoffmeisterii Iowa Pennsylvanian
Anapiculatisporites Anapiculatisporites spinosus Iowa Pennsylvanian
Anaplanisporites Anaplanisporites baccatus Iowa Pennsylvanian
Apiculatasporites Apiculatasporites spinulistratus Iowa Pennsylvanian
Apiculatisporis Apiculatisporis aculeatus Iowa Pennsylvanian
Apiculatisporis Apiculatisporis irregularis Iowa Pennsylvanian
Apiculatisporis Apiculatisporis latigranifer Iowa Pennsylvanian
Apiculatisporis Apiculatisporis saetiger Iowa Pennsylvanian