original |
Downtonian |
Dittonian |
Wales(Carmarthenshire) |
Richardson,J.B. et al. Upper Silurian and Lower Devonian spore assemblages from the Welsh Borderland and South Wales |
1969 |
original |
Early Gedinnian |
|
France(Ille-et-Vilaine) |
Moreau-Benoit,A. Spores and vegetable debris in the Early Devonian shales and limestones of Saint-Cenere. (In: Massif Armoricain, France. H.Lardeux, editor) |
1976 |
original |
Early Gedinnian |
|
Belgium |
Steemans,P. The age of the Fepin Conglomerate, (Base of the Gedinnian) at Lahonry, Belgium. |
1981 |
original |
Gedinnian |
|
France(Ardennes) |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
original |
Early Gedinnian |
|
France |
Steemans,P. The study of palynostratigraphy of the Devonian of western Europe. |
1986 |
original |
Early Pridolian |
Late Ludlovian |
England(Herefordshire) |
Wetherall,P.M. et al. Palynology, biostratigraphy, and depositional environments around the Ludlow-Pridoli boundary at Woodbury Quarry, Herefordshire, England. |
1999 |