- Author:
- Rothwell,G.W.
- Year:
- 1977
- Title:
- Evidence for a pollination-drop mechanism in Paleozoic Pteridosperms.
- Reference:
- Rothwell,G.W. (1977) Evidence for a pollination-drop mechanism in Paleozoic Pteridosperms. Science Vol. 198 # 4323 P. 1251- 1252
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Callospermarion | Callospermarion | Nd | Middle Pennsylvanian |