- Author:
- Baadsgaard,H.;Lerbekmo,J.F.
- Year:
- 1980
- Title:
- A Rb/Sr age for the Cretaceous - Tertiary boundary, (Z Coal), Hell Creek, Montana.
- Reference:
- Baadsgaard,H. et al. (1980) A Rb/Sr age for the Cretaceous - Tertiary boundary, (Z Coal), Hell Creek, Montana. Canadian Journal of Earth Sciences Vol. 17 # 5 P. 671- 673
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Aquilapollenites | Aquilapollenites sp | Montana | Maastrichtian | |
| Cranwellia | Cranwellia striata | Montana | Maastrichtian | |
| Polycolpites | Polycolpites granulatus | Montana | Maastrichtian | |
| Proteacidites | Proteacidites sp | Montana | Maastrichtian | |
| Tricolpites | Tricolpites reticulatus | Montana | Maastrichtian | |
| Wodehouseia | Wodehouseia spinata | Montana | Maastrichtian |