| original |
Early Triassic |
|
USSR(Komi ASSR) |
Yaroshenko,O.P. et al. New spore genus of Pechorosporites, Varoshenko et Golubeva, gen.nov., from the Lower Triassic. (In: Problems of Modern Palynology. A.F.Chlonova, editor) |
1984 |
| details |
Induan |
|
Russia(Urals) |
Novikov,I.V. et al. Continental Triassic biostratigraphy of the Bolshaya Synya and Korotaikha Depressions, North Cis Urals, Russia: Tetrapod and palynological data |
1995 |
| details |
Induan |
|
USSR(Komi ASSR) |
Yaroshenko,O.P. Palynology and phytogeography of the Early Triassic |
1997 |