| details |
Early Permian |
|
USSR(Urals) |
Abramova,S.A. et al. Palynological investigations of Upper Kama's potassium deposits, underlying Kungurian Salt Layers. |
1960 |
| details |
Givetian |
|
Belgium |
Pi©rart,P. Megaspores and miospores disclosed in the Givetian of Roncquieres, (Brabant, Belgium). |
1964 |
| details |
Tournaisian |
|
Poland |
Jachowicz,A. Microflora of the Zareby Beds from the Swietokrzyskie Mountains |
1967 |
| details |
Permian |
|
USSR(Siberia) |
Odintsova,M.M. et al. On the age of the Almazon Layers of the southern slope of the Anabarsk Anticline. |
1969 |
| details |
Early Triassic |
|
USSR(Siberia) |
Odintsova,M.M. Spore-pollen complexes from the Tuffaceous deposits of the central part of the Siberian Platform and the Nearshore marine beds of the Indsk Layers of northern Pri-Verkhoyask. |
1969 |