- Author:
- Eisenack,A.
- Year:
- 1963
- Title:
- Hystricosphaeres
- Foreign title:
- Hystrichospharen
- Reference:
- Eisenack,A. (1963) Hystricosphaeres [ Hystrichospharen ] Biological Review # 38 P. 107- 139
- Google Academy:
- try to search by title in english or foreign title
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Veryhachium | Veryhachium | Nd | Ordovician | |
| Micrhystridium | Micrhystridium | Nd | Ordovician | |
| Cymatiosphaera | Cymatiosphaera | Nd | Ordovician | |
| Vulcanisphaera | Vulcanisphaera | Nd | Ordovician | |
| Priscotheca | Priscotheca | Nd | Ordovician | |
| Trachysphaeridium | Trachysphaeridium | Nd | Ordovician | |
| Lophosphaeridium | Lophosphaeridium | Nd | Ordovician | |
| Orygmatosphaeridium | Orygmatosphaeridium | Nd | Ordovician | |
| Zonosphaeridium | Zonosphaeridium | Nd | Ordovician | |
| Vavososphaeridium | Vavososphaeridium | Nd | Ordovician | |
| Aremoricanium | Aremoricanium | Nd | Ordovician | |
| Protoleiosphaeridium | Protoleiosphaeridium | Nd | Cambrian | |
| Symplassosphaeridium | Symplassosphaeridium | Nd | Cambrian | |
| Trematosphaeridium | Trematosphaeridium | Nd | Cambrian | |
| Baltisphaeridium | Baltisphaeridium | Nd | Cambrian | |
| Veryhachium | Veryhachium | Nd | Cambrian | |
| Trachydiacrodium | Trachydiacrodium | Nd | Cambrian |