- Author:
- Achab,A.
- Year:
- 1988
- Title:
- Provincialism of Ordovician chitinozoans.
- Foreign title:
- Mise en evidence d'un Provincialisme Chex les Chitinozoaires Ordoviciens
- Reference:
- Achab,A. (1988) Provincialism of Ordovician chitinozoans. [ Mise en evidence d'un Provincialisme Chex les Chitinozoaires Ordoviciens ] Canadian Journal of Earth Sciences Vol. 25 P. 635- 638
- Google Academy:
- try to search by title in english or foreign title
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Siphonochitina | Siphonochitina formosa | England | Early Ordovician | |
| Siphonochitina | Siphonochitina formosa | Florida | Early Ordovician | |
| Velatachitina | Velatachitina | Nd | Early Ordovician |