Cyclogranisporites nahannensis
- Citations total:
- 2
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| details | Middle Visean | Late Visean | Alaska | Ravn,R.L. Miospores of the Kekiktuk Formation (Lower Carboniferous), Endicott Field Area, Alaska North Slope. | 1991 |
| details | Late Mississippian | Namurian A | Canada(NWT,Mackenzie) | Ravn,R.L. Miospores of the Kekiktuk Formation (Lower Carboniferous), Endicott Field Area, Alaska North Slope. | 1991 |