| details |
Tatarian |
Early Buntsandstein |
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 |
Early Kazanian |
|
USSR(Russian Platform) |
Molin,V.A. et al. Upper Permian spore-pollen assemblages of the northern Russian Platform |
1972 |
| details |
Nd |
|
Nd |
Boersma,M. et al. Triassic palynomorphs, index to genera and species |
1987 |
| details |
Hettangian |
Sinemurian |
China(Shansi) |
Yan,C.-F. The sporo-pollen assemblage from Fuxian Formantion in Yulin-Hengshan Region, Shaanxi Province. |
1992 |