- Author:
- Walton,H.S.
- Year:
- 1962
- Title:
- Cambrian Hystrichospheres from Western Canada (Abs Tract)
- Reference:
- Walton,H.S. (1962) Cambrian Hystrichospheres from Western Canada (Abs Tract) Pollen et Spores Vol. 4 # 2 P. 387- 387
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Leiosphaeridium | Leiosphaeridium sp | Canada(Alberta) | Middle Cambrian | |
| Micrhystridium | Micrhystridium sp | Canada(Alberta) | Middle Cambrian | |
| Micrhystridium | Micrhystridium sp | Canada(Saskatchewan) | Middle Cambrian | |
| Multiplicisphaeridium | Multiplicisphaeridium sp | Canada(Alberta) | Middle Cambrian | |
| Protoleiosphaeridium | Protoleiosphaeridium sp | Canada(Alberta) | Middle Cambrian |