| original |
Late Devonian |
Early Mississippian |
Ohio |
Eames,L.E. Palynology of the Berea Sandstone and Cuyahoga Group of northeastern Ohio. |
1974 |
| original |
Late Visean |
|
Niger |
Loboziak,S. et al. The Visean age of the Agades Coal Basin (Niger). III. |
1978 |
| original |
Late Famennian |
Early Tournaisian |
Morocco |
Marhoumi,M.R. et al. Palynostratigrafic studies of some Dinantian series in the Sidi Bettache Basin to the southeast of Rabat, (Morocco). |
1984 |
| details |
Visean |
|
Brazil(Paraiba) |
Melo,J.H.G. et al. Visean miospore biostratigraphy and correlation of the Poti Formation (Parnaba Basin, north Brazil). |
2000 |