| original |
Middle Visean |
|
Alaska |
Ravn,R.L. Miospores of the Kekiktuk Formation (Lower Carboniferous), Endicott Field Area, Alaska North Slope. |
1991 |
| details |
Late Strunian |
Early Tournaisian |
Chile |
Rubinstein,C.V. et al. First palynological results from the Zorritas Formation, Devonian-Carboniferous of Sierra De Almeida, Antofagasta Region, Chile |
1996 |
| details |
Early Tournaisian |
|
Chile |
Rubinstein,C.V. et al. First palynological results from the Zorritas Formation, Devoni Carboniferous of Sierra De Almeida, Antofagasta Region, Chile |
1996 |