- Author:
- Kosanke,R.M.
- Year:
- 1947
- Title:
- Plant microfossils in correlation of Coal Beds.
- Reference:
- Kosanke,R.M. (1947) Plant microfossils in correlation of Coal Beds. Illinois State Geological Survey, Circular # 131 P. 280- 284
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Alatisporites | Alatisporites | Illinois | Desmoinesian | Virgilian |
| Granulatisporites | Granulatisporites | Illinois | Desmoinesian | Virgilian |
| Punctatisporites | Punctatisporites | Illinois | Desmoinesian | Virgilian |
| Pityosporites | Pityosporites | Illinois | Desmoinesian | Virgilian |