- 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 |
|---|---|---|---|---|
| Priscogalea | Priscogalea furcata | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Priscogalea | Priscogalea multarea | England(Cumberland) | Early Llanvirnian | |
| Priscogalea | Priscogalea simplex | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Priscogalea | Priscogalea veliferum | England(Cumberland) | Early Llanvirnian | |
| Priscotheca | Priscotheca raia | England(Cumberland) | Early Llanvirnian | |
| Rhabdochitina | Rhabdochitina sp | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Rhabdochitina | Rhabdochitina turgida | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Rhabdochitina | Rhabdochitina usitata | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Siphonochitina | Siphonochitina clavata | England(Cumberland) | Early Llanvirnian | |
| Siphonochitina | Siphonochitina formosa | England(Cumberland) | Early Llanvirnian | |
| Siphonochitina | Siphonochitina robusta | England(Cumberland) | Early Llanvirnian | |
| Siphonochitina | Siphonochitina tenuicollis | England(Cumberland) | Early Llanvirnian | |
| Sphaerochitina | Sphaerochitina mundana | England(Cumberland) | Early Llanvirnian | |
| Sphaerochitina | Sphaerochitina vulgaris | England(Cumberland) | Early Llanvirnian | |
| Veryhachium | Veryhachium lairdii | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Veryhachium | Veryhachium lairdii | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Veryhachium | Veryhachium macroceros | England(Cumberland) | Early Llanvirnian |