- 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 |
|---|---|---|---|---|
| Conochitina | Conochitina chydaea | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Conochitina | Conochitina conulus | England(Cumberland) | Early Llanvirnian | |
| Conochitina | Conochitina dolosa | England(Cumberland) | Late Arenigian | |
| Conochitina | Conochitina lepida | England(Cumberland) | Early Llanvirnian | |
| Conochitina | Conochitina lepida | England(Cumberland) | Early Llanvirnian | |
| Conochitina | Conochitina oelandica | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Conochitina | Conochitina parviventer | England(Cumberland) | Early Llanvirnian | |
| Conochitina | Conochitina reflexa | England(Cumberland) | Late Arenigian | |
| Conochitina | Conochitina robusta | England(Cumberland) | Early Llanvirnian | |
| Conochitina | Conochitina simplex | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Conochitina | Conochitina sp | England(Cumberland) | Early Llanvirnian | |
| Conochitina | Conochitina symmetrica | England(Cumberland) | Late Arenigian | |
| Cyathochitina | Cyathochitina calix | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Cyathochitina | Cyathochitina calix | England(Cumberland) | Late Arenigian | |
| Cyathochitina | Cyathochitina campanulaeformis | England(Cumberland) | Late Arenigian | Early Llanvirnian |
| Cyathochitina | Cyathochitina dispar | England(Cumberland) | Early Llanvirnian | |
| Cyathochitina | Cyathochitina fusiformis | England(Cumberland) | Early Llanvirnian |