original |
Downtonian |
|
Libya |
Richardson,J.B. et al. Silurian palynomorphs from the Tanezzuft and Acacus Formations, Tripolitania, North Africa. |
1973 |
original |
Late Gothlandian |
|
USSR(Estonian SSR) |
Aristova,K.E. et al. Microfossils of stratigraphic type sections from the Upper Silurian of Estonia. |
1976 |
original |
Lochkovian |
|
France(Mayenne) |
d'Erceville,M.A. Spores from Silurian-Devonian formations from a cutting at Saint-Pierre-sur-Erve (Synclinorium Median Armorcain). |
1979 |
original |
Late Downtonian |
Early Dittonian |
France(Mayenne) |
d'Erceville,M.A. The spores of Silurian - Devonian Formations of St.Pierre-sur-Erve, (Massif Armoricain). |
1979 |
original |
Gedinnian |
|
Bolivia |
McGregor,D.C. Late Silurian and Devonian spores from Bolivia |
1984 |
original |
Nd |
|
Libya |
Richardson,J.B. et al. Silurian and Devonian spore zones of the Old Red Sandstone continent and adjacent regions. |
1986 |
original |
Pragian |
|
|
Dino,R. et al. Lower Devonian palynomorphs from the Furnas Formation Parana Basin |
1995 |