| details |
Nd |
|
Nd |
Bolkhovitina,N.A. Pollen of Conifers in Mesozoic deposits and its value for stratigraphy. |
1952 |
| details |
Liassic |
|
Poland |
Rogalska,M. Spore and pollen analysis of the Liassic deposits of the Mroczkow-Rozwady area in the Opoczno Distri Ct. |
1956 |
| details |
Early Permian |
|
USSR(Urals) |
Abramova,S.A. et al. Palynological investigations of Upper Kama's potassium deposits, underlying Kungurian Salt Layers. |
1960 |
| details |
Liassic |
|
Romania |
Luta,S. Mesozoic sporo-pollen association in the drillings at Sirinia (Banat). |
1968 |
| original |
Kungurian |
|
USSR(Urals) |
Dyupina,G.V. New microspores from Permian deposits of the Middle Urals. (In: Algae, Brachiopods and Miospores of Permian deposits of the Western Urals.) |
1974 |
| details |
Liassic |
|
Romania |
Givulescu,R. Fossil flora of Roumania. Second Supplement, Second Part. |
1974 |