- Author:
- Darrah,E.L.
- Year:
- 1968
- Title:
- The microstructure of some Pennsylvanian seeds and megaspores studied by maceration.
- Reference:
- Darrah,E.L. (1968) The microstructure of some Pennsylvanian seeds and megaspores studied by maceration. Micropaleontology Vol. 14 # 1 P. 97- 104
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Pachytesta | Pachytesta stewartii | Iowa | Middle Pennsylvanian | |
| Pachytesta | Pachytesta stewartii | Kansas | Middle Pennsylvanian | |
| Pachytesta | Pachytesta vera | Illinois | Middle Pennsylvanian | |
| Pachytesta | Pachytesta vera | Iowa | Middle Pennsylvanian | |
| Pachytesta | Pachytesta vera | Kansas | Middle Pennsylvanian | |
| Stephanospermum | Stephanospermum ovoides | Illinois | Middle Pennsylvanian | |
| Stephanospermum | Stephanospermum ovoides | Iowa | Middle Pennsylvanian | |
| Stephanospermum | Stephanospermum ovoides | Kansas | Middle Pennsylvanian | |
| Stephanospermum | Stephanospermum sp | Illinois | Middle Pennsylvanian | |
| Stephanospermum | Stephanospermum sp | Iowa | Middle Pennsylvanian | |
| Stephanospermum | Stephanospermum sp | Kansas | Middle Pennsylvanian | |
| Stephanospermum | Stephanospermum sp | Illinois | Middle Pennsylvanian | |
| Stephanospermum | Stephanospermum sp | Iowa | Middle Pennsylvanian | |
| Stephanospermum | Stephanospermum sp | Kansas | Middle Pennsylvanian | |
| Taxospermum | Taxospermum undulatum | Illinois | Middle Pennsylvanian | |
| Taxospermum | Taxospermum undulatum | Iowa | Middle Pennsylvanian | |
| Taxospermum | Taxospermum undulatum | Kansas | Middle Pennsylvanian |