| original |
Early Jurassic |
|
USSR(Ukrainian SSR) |
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 |
| details |
Early Carnian |
|
USSR(Bashkir ASSR) |
Tuzhikova,V.I. On the age and Extent of the Surakaisk Suite and Bukobaisk series of the Southern Cis-Urals. (In: Triassic Stratigraphy of the Urals and Cis-Urals. Symposium on the Problems of Stratigraphy. #27). V.I.Tuzhikova and G.N.Papulov, editors) |
1979 |