- Author:
- Cramer,F.H.
- Year:
- 1968
- Title:
- Silurian phytoplankton Provinces
- Reference:
- Cramer,F.H. (1968) Silurian phytoplankton Provinces Geological Society of America, Abstracts with Program, Annual Meeting P. 63- 64
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Baltisphaeridium | Baltisphaeridium digitatum | Atlantic Ocean | Late Llandoverian | Early Ludlovian |
| Deunffia | Deunffia furcata | Atlantic Ocean | Late Llandoverian | Early Ludlovian |
| Veryhachium | Veryhachium carminae | Atlantic Ocean | Late Llandoverian | Early Ludlovian |