- Author:
- Grahn,Y.
- Year:
- 1988
- Title:
- Chitinozoan stratigraphy in the Ashgil and Llandovery. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors)
- Reference:
- Grahn,Y. (1988) Chitinozoan stratigraphy in the Ashgil and Llandovery. (In: A Global Analysis of the Ordovician-Silurian Boundary. L.R.M.Cocks and R.B.Rickards, editors) British Museum (Natural History) Geology, Bulletin Vol. 43 P. 317- 323
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Conochitina | Conochitina bulmani | Canada(Quebec) | Late Ashgillian | |
| Conochitina | Conochitina edjelensis | Worldwide | Early Aeronian | |
| Conochitina | Conochitina edjelensis | Libya | Middle Llandoverian | Late Llandoverian |
| Conochitina | Conochitina electa | USSR(Estonian SSR) | Middle Llandoverian | |
| Conochitina | Conochitina emmastensis | Worldwide | Aeronian | Telychian |
| Conochitina | Conochitina gamachiana | Worldwide | Late Rawtheyan | Hirnantian |
| Conochitina | Conochitina gamachiana | Canada(Quebec) | Late Ashgillian | |
| Conochitina | Conochitina iklaensis | Worldwide | Late Rhuddanian | Aeronian |
| Conochitina | Conochitina iklaensis | USSR(Estonian SSR) | Middle Llandoverian | |
| Conochitina | Conochitina micracantha | Worldwide | Ordovician | |
| Conochitina | Conochitina postrobusta | USSR(Estonian SSR) | Late Ashgillian | Early Llandoverian |
| Conochitina | Conochitina proboscifera | Worldwide | Late Telychian | Early Wenlockian |
| Conochitina | Conochitina proboscifera | Sweden | Early Wenlockian | |
| Conochitina | Conochitina robusta | Sweden | Late Ashgillian | Llandoverian |
| Conochitina | Conochitina vitrea | Worldwide | Rhuddanian | Aeronian |
| Conochitina | Conochitina vitrea | Worldwide | Llandoverian | Rhuddanian |
| Conochitina | Conochitina vitrea | Scandinavia | Llandoverian | Rhuddanian |