original |
Early Permian |
|
USSR(Urals) |
Abramova,S.A. et al. Palynological investigations of Upper Kama's potassium deposits, underlying Kungurian Salt Layers. |
1960 |
original |
Early Permian |
|
Canada(Yukon) |
Bamber,E.W. et al. Stratigraphy and palynology of a Permian section, Tatonduk River, Yukon Territory. |
1969 |
original |
Late Triassic |
Late Jurassic |
China(Shansi) |
Liu,Z.-S. et al. Triassic and Jurassic sporo-pollen assemblages from some localities of Shaanxi and Gansu, North-West China. |
1981 |
original |
Late Triassic |
Late Jurassic |
China(Kansu) |
Liu,Z.-S. et al. Triassic and Jurassic sporo-pollen assemblages from some localities of Shaanxi and Gansu, North-West China. |
1981 |