| original |
Early Jurassic |
|
USSR(Aktyubinskaya) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| original |
Early Jurassic |
|
USSR(Aktyubinskaya) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| details |
Early Jurassic |
Middle Jurassic |
China(Sinkiang Uighur) |
Liu,Z.-S. et al. Early and Middle Jurassic sporopollen assemblages from Wenquan Coalfield of Xinjiang, China and their stratigraphical significance |
1992 |
| details |
Early Jurassic |
Middle Jurassic |
China(Sinkiang Uighur) |
Lu,Z. Jurassic sporopollen assemblages from the Beishan Coal-Field, Qitai Xinjiang |
1993 |