| details |
Stephanian B |
Early Autunian |
France(Nievre) |
Carpena,J. et al. The Acid Volcanism of West Morvan in its geologic frame. Geochemical, structural and chronological characters of intrusion. |
1984 |
| details |
Artinskian |
|
Brazil(Santa Catarina) |
Bortoluzzi,C.A. et al. Geologic investigations of the Santa Catarina Coal Basin, stratigraphy, sedimentology, paleontology and petrography of coals. |
1978 |
| details |
Late Westphalian A |
Early Westphalian B |
Spain |
Cachan Santos,L.J. Upper Westphalian A through Lower Westphalian B palynoflora from the Teverga Coal Basin, (Oviedo, Spain). |
1978 |