| original |
Late Jurassic |
|
USSR(Siberia) |
Bolkhovitina,N.A. Atlas of spores and pollen from Jurassic and Lower Cretaceous deposits of the Vilyuysk Basin. |
1956 |
| details |
Bajocian |
Oxfordian |
USSR(Kazakh SSR) |
Aliev,M.M. et al. Jurassic continental deposits of eastern Central Asia, (dating, division, correlation). |
1981 |
| details |
Middle Jurassic |
|
China(Kansu) |
Du,B.-A. Sporo-pollen assemblages from the Middle Jurassic in the Wangjiashan Basin of Jingyuan, Gansu, and their stratigraphic and paleogeographic significance. |
1985 |