| details |
Hauterivian |
Barremian |
USSR(WSL) |
Voitsel,Z.A. et al. Cretaceous spore and pollen assemblages of Western Siberian Lowland. |
1957 |
| details |
Aptian |
Albian |
USSR(WSL) |
Voitsel,Z.A. et al. Cretaceous spore and pollen assemblages of Western Siberian Lowland. |
1957 |
| details |
Middle Jurassic |
|
USSR(Kazakh SSR) |
Volkova,I.B. et al. Spore and pollen complexes of the Lower Mesozoic in connection with Coals in Western Kazakhstan. |
1961 |
| details |
Early Jurassic |
Middle Jurassic |
USSR(Kazakh SSR) |
Vorontsov,V.V. et al. Age of Jurassic Red Beds of the Karaganda Basin. |
1973 |
| details |
Nd |
|
Nd |
Zhou,Z.-Y. Stalagma samara, a new Podocarpaceous conifer with monocolpate pollen from the Upper Triassic of Hunan, China. |
1983 |