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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 exiguus Iowa Pennsylvanian
Triquitrites Triquitrites minutus Iowa Pennsylvanian
Triquitrites Triquitrites protensus Iowa Pennsylvanian
Triquitrites Triquitrites sculptilis Iowa Pennsylvanian
Triquitrites Triquitrites subspinosus Iowa Pennsylvanian
Tuberculatosporites Tuberculatosporites robustus Iowa Pennsylvanian
Verrucosisporites Verrucosisporites donari Iowa Pennsylvanian
Verrucosisporites Verrucosisporites microtuberosus Iowa Pennsylvanian
Verrucosisporites Verrucosisporites sifati Iowa Pennsylvanian
Verrucosisporites Verrucosisporites verrucosus Iowa Pennsylvanian
Verrucososporites Verrucososporites facierugosus Iowa Pennsylvanian
Vestispora Vestispora fenestrata Iowa Pennsylvanian
Vestispora Vestispora laevigata Iowa Pennsylvanian
Vestispora Vestispora luminata sp. nov. Iowa Pennsylvanian
Vestispora Vestispora pseudoreticulata Iowa Pennsylvanian
Vestispora Vestispora reticulata Iowa Pennsylvanian
Vestispora Vestispora sp.1 sp. nov. Iowa Pennsylvanian