details |
Triassic |
|
USSR(Siberia) |
Kara-Murza,E.N. et al. Upper Paleozoic, Mesozoic and Cainozoic spore and pollen assemblages in the North of Siberia and their stratigraphic signifcance |
1962 |
details |
Triassic |
|
USSR(Siberia) |
Kara-Murza,E.N. Triassic spore and pollen complexes and the significance for the stratigraphy and correlation of marine and Continental and Volcanic deposits in the Asiatic Part of Soviet Arctic Egion. |
1962 |
details |
Triassic |
|
USSR |
Boytsova,E.P. et al. Spore and pollen complexes of Mesozoic deposits of the USSR |
1960 |
details |
Anisian |
|
USSR(Pre-Caucasus) |
Tsaturova,A.A. et al. Biostratigraphy of Middle Triassic deposits in the Territory of the Pre-Caucasus. (In: Voprosy biostratigrafii i Paleogeografii Neftegazonosnykh Oblastei SSSR.) |
1977 |