- Author:
- Volkova,N.A.
- Year:
- 1997
- Title:
- Paleogeography of phytoplankton at Cambrian-Ordovician boundary
- Reference:
- Volkova,N.A. (1997) Paleogeography of phytoplankton at Cambrian-Ordovician boundary Paleontologicheskii Zhurnal (Paleontological Journal) Vol. 1997 # 2 P. 13- 19
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Vulcanisphaera | Vulcanisphaera | USSR(Arkhangelsk Oblast) | Late Cambrian | |
| Vulcanisphaera | Vulcanisphaera | USSR(Leningrad) | Late Cambrian | |
| Vulcanisphaera | Vulcanisphaera | Estonia | Late Cambrian | |
| Vulcanisphaera | Vulcanisphaera | USSR(Yaroslav) | Late Cambrian | |
| Vulcanisphaera | Vulcanisphaera | Russia | Late Cambrian | |
| Vulcanisphaera | Vulcanisphaera | Estonia | Late Cambrian | |
| Vulcanisphaera | Vulcanisphaera | Sweden | Late Cambrian | |
| Vulcanisphaera | Vulcanisphaera | Norway | Late Cambrian | |
| Vulcanisphaera | Vulcanisphaera | Poland | Early Tremadocian | |
| Vulcanisphaera | Vulcanisphaera | England | Early Tremadocian | |
| Vulcanisphaera | Vulcanisphaera | France | Early Tremadocian | |
| Vulcanisphaera | Vulcanisphaera | Belgium | Early Tremadocian | |
| Vulcanisphaera | Vulcanisphaera | Spain | Early Tremadocian | |
| Vulcanisphaera | Vulcanisphaera | Italy | Early Tremadocian | |
| Vulcanisphaera | Vulcanisphaera | Canada(Newfoundland) | Early Tremadocian | |
| Vulcanisphaera | Vulcanisphaera | Iran | Early Tremadocian | |
| Vulcanisphaera | Vulcanisphaera | Africa(N.Africa) | Early Tremadocian |