| details |
Valanginian |
|
USSR(Ukrainian SSR) |
Vakhrameev,V.A. et al. Paleobotanical data and the Border Line between Jurassic and Cretaceous Systems. |
1973 |
| details |
Late Tithonian |
Valanginian |
USSR(Taymyr Nat.Okrug) |
Vakhrameev,V.A. et al. Paleobotanical data and the Border Line between Jurassic and Cretaceous Systems. |
1973 |
| details |
Middle Volgian |
Late Volgian |
USSR(Taymyr Nat.Okrug) |
Vakhrameev,V.A. et al. Paleobotanical data and the Jurassic-Cretaceous boundary. |
1975 |
| details |
Valanginian |
|
USSR(Taymyr Nat.Okrug) |
Vakhrameev,V.A. et al. Paleobotanical data and the Jurassic-Cretaceous boundary. |
1975 |
| details |
Middle Volgian |
|
USSR(Ukrainian SSR) |
Vakhrameev,V.A. et al. Paleobotanical data and the Jurassic-Cretaceous boundary. |
1975 |
| details |
Valanginian |
|
USSR(Ukrainian SSR) |
Vakhrameev,V.A. et al. Paleobotanical data and the Jurassic-Cretaceous boundary. |
1975 |
| details |
Jurassic |
|
China(Shensi) |
Xu,Y. et al. Spores and pollen (Jurassic). (In: Mesozoic Stratigraphy and Palaeontology of the Shan-Gan-Ning Basin.) |
1980 |
| details |
Valanginian |
|
USSR(Sverdlovskaya) |
Xu,Y. et al. Spores and pollen (Jurassic). (In: Mesozoic Stratigraphy and Palaeontology of the Shan-Gan-Ning Basin.) |
1980 |
| details |
Jurassic |
|
China |
Su,D. et al. Late Mesozoic biostratigraphy of nonmarine ostracoda and pollen and spores in China. |
1983 |
| 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 |