| details |
Strunian |
Early Tournaisian |
Canada(Saskatchewan) |
Playford,G. et al. Miospores and organic-walled microphytoplankton of Devonian-Carboniferous boundary beds, (Bakken Formation), southern Saskatchewan: A systematic and stratigraphic appraisal. |
1993 |
| details |
Early Carboniferous |
|
USSR(Russian Plain) |
Playford,G. et al. Miospores and organic-walled microphytoplankton of Devonian-Carboniferous boundary beds, (Bakken Formation), southern Saskatchewan: A systematic and stratigraphic appraisal. |
1993 |
| details |
Late Famennian |
|
Belgium |
Maziane,N. et al. Revision of the Late Famennian miospore zonation scheme in eastern Belgium. |
1999 |