- Author:
- Ravn,R.L.;Whitley,D.L.
- Year:
- 1981
- Title:
- Palynology of Upper Dakota Formation lignites from northwestern Iowa and northeastern Nebraska.
- Reference:
- Ravn,R.L. et al. (1981) Palynology of Upper Dakota Formation lignites from northwestern Iowa and northeastern Nebraska. American Association of Stratigraphic Palynologists,14th Annual Meeting,Program and Abstracts P.
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Undulatisporites | Undulatisporites pannuceus | Iowa | Early Cenomanian | |
| Undulatisporites | Undulatisporites undulapolus | Iowa | Early Cenomanian |