- Author:
- Leisman,G.A.
- Year:
- 1970
- Title:
- Densospore variability as exhibited in the cone genus Sporangiostrobus.
- Reference:
- Leisman,G.A. (1970) Densospore variability as exhibited in the cone genus Sporangiostrobus. Geoscience and Man Vol. 1 P. 134- 134
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Cingulizonates | Cingulizonates | Kansas | Middle Pennsylvanian | |
| Cingulizonates | Cingulizonates | Iowa | Middle Pennsylvanian | |
| Cristatisporites | Cristatisporites | Kansas | Middle Pennsylvanian | |
| Cristatisporites | Cristatisporites | Iowa | Middle Pennsylvanian | |
| Densosporites | Densosporites | Kansas | Middle Pennsylvanian | |
| Densosporites | Densosporites | Iowa | Middle Pennsylvanian | |
| Radiizonates | Radiizonates | Kansas | Middle Pennsylvanian | |
| Radiizonates | Radiizonates | Iowa | Middle Pennsylvanian | |
| Vallatisporites | Vallatisporites | Kansas | Middle Pennsylvanian | |
| Vallatisporites | Vallatisporites | Iowa | Middle Pennsylvanian |