| details |
Early Permian |
|
USSR(Yakut ASSR) |
Borshcheva,N.A. et al. The Permian of the Udzha River Basin |
1969 |
| details |
Kungurian |
|
USSR(Yakut ASSR) |
Dibner,A.F. Separation of Permian deposits of the Oleneks Rise into formations on palynological data. |
1965 |
| details |
Kazanian |
|
USSR(Yakut ASSR) |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
| details |
Permian |
|
USSR(Yakut ASSR) |
Petrova,E.K. Method of morphological tabulation of the Permian miospores Infraturmae Apiculati (Bennie et Kidston, 1886) R. Potone et Kremp, 1954. |
1975 |