- Author:
- Gutschick,R.C.;Moreman,W.L.
- Year:
- 1967
- Title:
- Devonian-Mississippian boundary relations along the Cratonic Margin of the United States.
- Reference:
- Gutschick,R.C. et al. (1967) Devonian-Mississippian boundary relations along the Cratonic Margin of the United States. International Symposium on the Devonian System Vol. 2 P. 1009- 1023
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Hystrichosphaerids | Hystrichosphaerids | Oklahoma | Devonian | Mississippian |
| Leiosphaerids | Leiosphaerids | Oklahoma | Devonian | Mississippian |
| Spore | Spore | Oklahoma | Devonian | Mississippian |
| Tasmanites | Tasmanites | USA(Mid-Continent) | Devonian | Mississippian |