| details |
Tatarian |
Early Olenikian |
USSR(Russian Platform) |
Varyukhina,L.M. Spores and pollen of the red-colored coal-bearing Permian and Triassic sediments of the northeastern part of European SSSR. |
1971 |
| details |
Permian |
|
USSR(Kemerovskaya) |
Varyukhina,L.M. Spores and pollen of the red-colored coal-bearing Permian and Triassic sediments of the northeastern part of European SSSR. |
1971 |
| details |
Early Induan |
|
USSR(Krasnoyarsk Kray) |
Krugovykh,V.V. Miospores from the Triassic volcanic deposits of the Tunguska Synclise. (In: Boreal Triassic. A.S.Dagis, editor) |
1987 |
| details |
Tatarian |
|
USSR(Russian Platform) |
Dryagina,L.L. Description of organic remains; spores and pollen. (In: The Upper Paleozoic of the Angara Basins;Fauna and Flora. I.T. Zhuravleva and V.I.Ilina, editor) |
1988 |
| details |
Tatarian |
|
USSR(Siberia) |
Dryagina,L.L. Biostratigraphic analysis of some groups of organic remains; evolutionary stages and methods of stratigraphic utilization; spores and pollen. (In: The Upper Paleozoic of the Angara Basins;Fauna and Flora. I.T. Zhuravleva and V.I.Ilina, editor) |
1988 |
| details |
Permian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Late Permian |
|
Russia(Siberia) |
Papin,Y.S. et al. Lithologic and paleontologic boundary between Permian and Triassic in the Kuznetsk Basin. |
2000 |