- Author:
- Sulkoske,W.C.
- Year:
- 1975
- Title:
- Cretaceous microplankton assemblages from the Albian to Campanian of Wyoming.
- Reference:
- Sulkoske,W.C. (1975) Cretaceous microplankton assemblages from the Albian to Campanian of Wyoming. Unpublished Master P. 1- 75
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Spiniferites | Spiniferites ramosus | Wyoming | Cenomanian | Coniacian |
| Spiniferites | Spiniferites ramosus | Wyoming | Cenomanian | Campanian |
| Spiniferites | Spiniferites ramosus | Wyoming | Late Coniacian | Campanian |
| Spiniferites | Spiniferites varmae | Wyoming | Coniacian |