| original |
Middle Jurassic |
|
USSR(Ukrainian SSR) |
Malyavkina,V.S. Determination key of spores and pollen, Jurassic-Cretaceous |
1949 |
| details |
Middle Jurassic |
|
China(Honan) |
Zhang,L.C. Pollen assemblages and their significance in the Yima Coal-bearing series from Yinchi Hsien, Honan Province. |
1965 |
| details |
Early Bajocian |
|
E.Germany |
Schulz,E. et al. Table of distribution of spores and pollen in the German Lias and Dogger. comments on the table of stratigraphic distribution of spores and pollen in the Liassic and Dogger |
1966 |
| details |
Mesozoic |
|
China(Hupei) |
Zhang,Z. Mesozoic spores and pollen |
1978 |
| details |
Bathonian |
|
Bulgaria |
Chernyavska,S. Lower and Middle Jurassic palynostratigraphy of Bulgaria |
1986 |