- Author:
- Wilson,L.R.;Hedlund,R.W.
- Year:
- 1962
- Title:
- Acid-resistant microfossils of the Sylvan Shale (Ordovician), of Oklahoma.
- Reference:
- Wilson,L.R. et al. (1962) Acid-resistant microfossils of the Sylvan Shale (Ordovician), of Oklahoma. Pollen et Spores Vol. 4 # 2 P. 388- 388
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Chitinozoa | Chitinozoa | Oklahoma | Ordovician | |
| Hystrichosphaerids | Hystrichosphaerids | Oklahoma | Ordovician | |
| Scolecodonts | Scolecodonts | Oklahoma | Ordovician |