- Author:
- Gray,J.;Massa,D.;Boucot,A.J.
- Year:
- 1982
- Title:
- Caradocian land plant microfossils from Libya.
- Reference:
- Gray,J. et al. (1982) Caradocian land plant microfossils from Libya. Geology Vol. 10 # 4 P. 197- 201
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Tetrad | Tetrad sp | New York | Llandoverian | |
| Tetrad | Tetrad sp | Kentucky | Ashgillian | |
| Tetrad | Tetrad sp | Libya | Ashgillian | |
| Tetrad | Tetrad sp | Libya | Llandoverian | |
| Tetrad | Tetrad sp | Sweden | Ludlovian | |
| Tetrahedral | Tetrahedral tetrads | Libya | Caradocian |