- Author:
- Bergad,R.D.
- Year:
- 1974
- Title:
- Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota.
- Reference:
- Bergad,R.D. (1974) Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. PhD Thesis, University of Minnesota P. 1- 451
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Azolla | Azolla conspicua | North Dakota | Maastrichtian | |
| Azolla | Azolla cretacea | North Dakota | Maastrichtian | |
| Azolla | Azolla distincta | North Dakota | Maastrichtian | |
| Azolla | Azolla extincta | North Dakota | Maastrichtian | |
| Azolla | Azolla fistulosa | North Dakota | Maastrichtian | |
| Azolla | Azolla gigantea | North Dakota | Maastrichtian | |
| Azolla | Azolla lauta | North Dakota | Maastrichtian | |
| Azolla | Azolla mexicana | North Dakota | Maastrichtian | |
| Azolla | Azolla montana | North Dakota | Maastrichtian | |
| Azolla | Azolla schopfi | North Dakota | Maastrichtian | |
| Azolla | Azolla sp.1 sp. nov. | North Dakota | Maastrichtian | |
| Azolla | Azolla sp.2 sp. nov. | North Dakota | Maastrichtian | |
| Azolla | Azolla stanleyii | North Dakota | Maastrichtian | |
| Azolla | Azolla velus | North Dakota | Maastrichtian | |
| Azollopsis | Azollopsis tomentosa | North Dakota | Maastrichtian | |
| Bacutriletes | Bacutriletes reticuliferus | North Dakota | Maastrichtian | |
| Balmeisporites | Balmeisporites bellus | North Dakota | Maastrichtian |