- Author:
- Cramer,F.H.
- Year:
- 1970
- Title:
- Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa
- Reference:
- Cramer,F.H. (1970) Distribution of selected Silurian acritarchs an account of the palynostratigraphy and paleogeography of selected Silurian acritarch Taxa Revista Espaбola de Micropaleontologa Vol. 2 P. 1- 203
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Veryhachium | Veryhachium trisphaeridium | Nd | Silurian | |
| Veryhachium | Veryhachium trispinosum | Nd | Silurian | |
| Veryhachium | Veryhachium trisulcum | Nd | Silurian | |
| Veryhachium | Veryhachium valiente | Nd | Silurian | |
| Veryhachium | Veryhachium visbyense | Ohio | Nd | |
| Veryhachium | Veryhachium visbyense | Indiana | Nd | |
| Veryhachium | Veryhachium visbyense | Kentucky | Nd | |
| Veryhachium | Veryhachium visbyense | Canada(Ontario) | Wenlockian | |
| Veryhachium | Veryhachium visbyense | New York | Wenlockian | |
| Veryhachium | Veryhachium visbyense | England | Wenlockian | |
| Veryhachium | Veryhachium visbyense | Pennsylvania | Wenlockian | |
| Veryhachium | Veryhachium visbyense | Georgia | Tarannon | |
| Veryhachium | Veryhachium visbyense | Sweden | Late Llandoverian | |
| Veryhachium | Veryhachium visbyense | Alabama | Tarannon | |
| Veryhachium | Veryhachium visbyense | Canada(Quebec) | Middle Gothlandian | |
| Veryhachium | Veryhachium visbyense | Sweden | Early Llandoverian | |
| Veryhachium | Veryhachium visbyense | Canada(Nova Scotia) | Late Llandoverian |