- 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
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Vestisporites | Vestisporites laevigatus | Iowa | Pennsylvanian | |
| Waltzispora | Waltzispora sagittata | Iowa | Pennsylvanian | |
| Wapellites | Wapellites | Iowa | Pennsylvanian | |
| Wapellites | Wapellites variabilis sp. nov. | Iowa | Pennsylvanian | |
| Wilsonites | Wilsonites circularis | Iowa | Pennsylvanian | |
| Wilsonites | Wilsonites delicatus | Iowa | Pennsylvanian | |
| Wilsonites | Wilsonites vesicatus | Iowa | Pennsylvanian | |
| Zosterosporites | Zosterosporites triangularis | Iowa | Pennsylvanian |