- Author:
- Johnson,N.G.;Traverse,A.
- Year:
- 1985
- Title:
- Early Silurian plant microfossils of Central Pennsylvania-Biological and geological significance
- Reference:
- Johnson,N.G. et al. (1985) Early Silurian plant microfossils of Central Pennsylvania-Biological and geological significance American Journal of Botany Vol. 72 # 6 P. 888- 888
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Acritarchs | Acritarchs | Pennsylvania | Early Gothlandian | |
| Leiosphere | Leiosphere | Pennsylvania | Early Gothlandian | |
| Palynomorph | Palynomorph | Pennsylvania | Early Gothlandian | |
| Spore | Spore | Pennsylvania | Early Gothlandian |