| details |
Middle Devonian |
|
Brazil |
Rocha-Campos,A.C. Dinantian stratigraphy of Brazil. (In: Palaeontological Characteristics of the Main Subdivisions of the Carboniferous) |
1975 |
| details |
|
|
France(Mayenne) |
Le H©riss©,A. Lower Devonian spores of the Laval Synclinorium (Massif Armoricain) |
1983 |
| details |
Mississippian |
|
Missouri |
Mehl,M.G. et al. Sporangites as "Horizon markers". (In: Guidebook, 26th Regional Field Conference Kansas Geological Society, northeast Missouri and west central Illinois). |
1961 |
| details |
Late Frasnian |
Early Famennian |
England |
Chaloner,W.G. et al. Southeast England. (In: A Correlation of Devonian Rocks of the British Isles. M.R.House et al, authors) |
1977 |
| details |
Middle Devonian |
|
USSR(Georgian SSR) |
Abesadze,M. et al. New data on age of metamorphosed Schists of Dzirulj Massif |
1980 |
| details |
Emsian |
|
Argentina(Chaco) |
Russo,A. et al. I.Lanura Chaco Pampeana |
1979 |
| details |
Ashgillian |
Llandoverian |
Scotland(Dumfries) |
Whelan,G.M. Acritarch and chitinozoan distribution across the type Ordovician-Silurian boundary at Dobb's Linn, Scotland |
1986 |