- Author:
- Rothwell,G.W.
- Year:
- 1981
- Title:
- The Callistophytales (Pteridospermopsida).
- Reference:
- Rothwell,G.W. (1981) The Callistophytales (Pteridospermopsida). Review of Palaeobotany and Palynology Vol. 32 P. 103- 121
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Callistophyton | Callistophyton | USA | Pennsylvanian | |
| Callistophyton | Callistophyton | USA | Permian | |
| Vesicaspora | Vesicaspora sp | USA | Pennsylvanian |