- Author:
- Jennings,J.R.;Millay,M.A.
- Year:
- 1979
- Title:
- Morphology of fertile Pecopteris Unita from the Middle Pennyslvanian of Illinois.
- Reference:
- Jennings,J.R. et al. (1979) Morphology of fertile Pecopteris Unita from the Middle Pennyslvanian of Illinois. Palaeontology Vol. 22 # 4 P. 913- 920
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Laevigatosporites | Laevigatosporites minutus | Illinois | Middle Pennsylvanian | |
| Pecopteris | Pecopteris unita | Illinois | Middle Pennsylvanian | |
| Spore | Spore sp | Illinois | Middle Pennsylvanian | |
| Spore | Spore sp | Illinois | Middle Pennsylvanian | |
| Spore | Spore sp | Illinois | Middle Pennsylvanian |