- Author:
- Stidd,B.M.;Hall,J.W.
- Year:
- 1970
- Title:
- The natural affinity of the Carboniferous seed, Callospermarion.
- Reference:
- Stidd,B.M. et al. (1970) The natural affinity of the Carboniferous seed, Callospermarion. American Journal of Botany Vol. 57 # 7 P. 827- 836
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Callospermarion | Callospermarion pusillum | Illinois | Carboniferous | |
| Vesicaspora | Vesicaspora sp | Illinois | Carboniferous |