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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 nudus Iowa Pennsylvanian
Punctatisporites Punctatisporites obliquus Iowa Pennsylvanian
Punctatisporites Punctatisporites sp.1 sp. nov. Iowa Pennsylvanian
Phyllothecotriletes Phyllothecotriletes sp.1 sp. nov. Iowa Pennsylvanian
Calamospora Calamospora breviradiata 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
Elaterites Elaterites triferens Iowa Pennsylvanian
Adelisporites Adelisporites Iowa Pennsylvanian
Adelisporites Adelisporites multiplicatus sp. nov. Iowa Pennsylvanian
Verrucosisporites Verrucosisporites donari Iowa Pennsylvanian
Verrucosisporites Verrucosisporites microtuberosus Iowa Pennsylvanian
Verrucosisporites Verrucosisporites sifati Iowa Pennsylvanian