| original |
Tournaisian |
Early Visean |
Poland |
Turnau,E. Spore zonation of Uppermost Devonian and Lower Carboniferous deposits of Western Pomerania. |
1978 |
| details |
Tournaisian |
Early Visean |
Poland |
Turnau,E. Correlations of Upper Devonian and Carboniferous deposits of Western Pomerania, based on miospore study. |
1979 |
| details |
Middle Tournaisian |
Late Tournaisian |
Belgium |
Higgs,K.T. Taxonomy and systematic study of some Tournasian (Hastarian) spores from Belgium |
1996 |
| details |
Tournaisian |
Early Visean |
Poland |
Higgs,K.T. Taxonomy and systematic study of some Tournasian (Hastarian) spores from Belgium |
1996 |