- Author:
- Arthurton,R.S.;Wadge,A.J.
- Year:
- 1981
- Title:
- Ordovician and Silurian. (In: Geology of the Country around Penrith.)
- Reference:
- Arthurton,R.S. et al. (1981) Ordovician and Silurian. (In: Geology of the Country around Penrith.) Memoir of the Geological Survey of Great Britain P. 4- 21
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Veryhachium | Veryhachium piliferum | England(Cumberland) | Early Llanvirnian | |
| Veryhachium | Veryhachium sartbernardense | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Veryhachium | Veryhachium tetraedron | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Veryhachium | Veryhachium trispinosum | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Veryhachium | Veryhachium trispinosum | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Veryhachium | Veryhachium trisulcum | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Veryhachium | Veryhachium valiente | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Vulcanisphaera | Vulcanisphaera africana | England(Cumberland) | Early Llanvirnian | |
| Vulcanisphaera | Vulcanisphaera sp | England(Cumberland) | Late Arenigian |