- Author:
- Kremp,G.O.W.
- Year:
- 1967
- Title:
- Tetrad Markings of Pteridophytic spores and their evolutionary significance.
- Reference:
- Kremp,G.O.W. (1967) Tetrad Markings of Pteridophytic spores and their evolutionary significance. Review of Palaeobotany and Palynology Vol. 3 # 1 P. 311- 323
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Pellaea | Pellaea atropurpurea | Nd | Recent | |
| Psilophyton | Psilophyton princeps | Nd | Early Devonian | |
| Pterozonium | Pterozonium reniforme | Nd | Recent | |
| Schizoloma | Schizoloma cordatum | Nd | Recent | |
| Schopfipollenites | Schopfipollenites | Nd | Middle Pennsylvanian | |
| Schopfipollenites | Schopfipollenites ellipsoides | Nd | Recent | |
| Sphaerostephanos | Sphaerostephanos polycarpa | Nd | Recent | |
| Sphagnum | Sphagnum palustre | Nd | Recent | |
| Stenosemia | Stenosemia aurita | Nd | Recent | |
| Taenitis | Taenitis blechnoides | Nd | Recent |