- Author:
- Dennison,J.M.
- Year:
- 1966
- Title:
- Faces relations of Hystrichosphaeres in Onesquethaw Stage (Devonian) of Central Appalachians
- Reference:
- Dennison,J.M. (1966) Faces relations of Hystrichosphaeres in Onesquethaw Stage (Devonian) of Central Appalachians AAPG, Bulletin Vol. 50 P. 610- 610
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Cymatiosphaera | Cymatiosphaera | USA(Eastern) | Emsian | Eifelian |
| Hystrichosphaeridium | Hystrichosphaeridium | USA(Eastern) | Emsian | Eifelian |
| Micrhystridium | Micrhystridium | USA(Eastern) | Emsian | Eifelian |
| Polyedryxium | Polyedryxium | USA(Eastern) | Emsian | Eifelian |
| Veryhachium | Veryhachium | USA(Eastern) | Emsian | Eifelian |