- Author:
- Arnold,C.A.
- Year:
- 1958
- Title:
- Petrified Cones of the genus Calamostachys from the Carboniferous of Illinois.
- Reference:
- Arnold,C.A. (1958) Petrified Cones of the genus Calamostachys from the Carboniferous of Illinois. Contributions from the Museum of Paleontology. University of Michigan Vol. 14 # 10 P. 149- 165
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Calamostachys | Calamostachys americana sp. nov. | Illinois | Pennsylvanian | |
| Microspore | Microspore sp | Illinois | Pennsylvanian |