| details |
Early Permian |
|
USSR(Yakut ASSR) |
Borshcheva,N.A. et al. The Permian of the Udzha River Basin |
1969 |
| details |
Early Permian |
|
USSR(Komi ASSR) |
Molin,V.A. et al. Palynological characteristic of the Ufimsk deposits in Western Pritiman |
1967 |
| details |
Early Permian |
|
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |
| details |
Early Jurassic |
Middle Jurassic |
USSR(Sverdlovskaya) |
Kara-Murza,E.N. Spores and pollen of Mesozoic deposits of the northern Eniseydk Lensk Region. |
1954 |