- Author:
- Downie,C.
- Year:
- 1984
- Title:
- Acritarchs in British stratigraphy
- Reference:
- Downie,C. (1984) Acritarchs in British stratigraphy Geological Society,Special Report # 17 P. 1- 26
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Vulcanisphaera | Vulcanisphaera africana | United Kingdom | Tremadocian | |
| Vulcanisphaera | Vulcanisphaera britannica | United Kingdom | Tremadocian | |
| Vulcanisphaera | Vulcanisphaera cirrita | United Kingdom | Late Cambrian | Arenigian |
| Vulcanisphaera | Vulcanisphaera cirrita | United Kingdom | Tremadocian | Early Llanvirnian |
| Vulcanisphaera | Vulcanisphaera imparilis | United Kingdom | Tremadocian | |
| Wrensnestia | Wrensnestia ornata | United Kingdom | Late Wenlockian |