| original |
Chesterian |
|
Illinois |
Hoffmeister,W.S. et al. Mississippian plant spores from the Hardinsburg Formation of Illinois and Kentucky. |
1955 |
| original |
Chesterian |
|
Kentucky |
Hoffmeister,W.S. et al. Mississippian plant spores from the Hardinsburg Formation of Illinois and Kentucky. |
1955 |
| details |
Namurian A |
|
Scotland(Fife) |
Butterworth,M.A. et al. The small spore floras of coals in the Limestone Coal Group and Upper Limestone Group of the Lower Carboniferous of Scotland |
1958 |
| details |
Chesterian |
|
Kentucky |
Butterworth,M.A. et al. The small spore floras of coals in the Limestone Coal Group and Upper Limestone Group of the Lower Carboniferous of Scotland |
1958 |
| details |
Visean |
Westphalian C |
United Kingdom |
Smith,A.H.V. et al. Miospores in the coal seams of the Carboniferous of Great Britain. |
1967 |
| details |
Chesterian |
|
Kentucky |
Smith,A.H.V. et al. Miospores in the coal seams of the Carboniferous of Great Britain. |
1967 |
| details |
Namurian |
|
Turkey |
Nakoman,E. Palynology of some Namurian and Westphalian A seams in the Karadon and d'Uzulmez sections of the Zonguldak Coal Basin. 1 .Qualitative study. |
1975 |
| details |
Namurian |
|
Turkey |
Nakoman,E. Some forms of spores and pollens characteristic of the microflora of Uzulmez, (Coal Basin of the northwest of Anatolia-Turkey). |
1978 |
| details |
Morrowan |
Desmoinesian |
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |