| details |
Tithonian |
|
USSR(Yakut ASSR) |
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 Toarcian |
Callovian |
USSR |
Vakhrameev,V.A. Separation of Stages in the Middle Jurassic of Southern Regions of the USSR from paleobotanical data. |
1969 |
| details |
Pliensbachian |
Oxfordian |
USSR |
Vakhrameev,V.A. Principles of distribution and paleoecology of the Mesozoic Conifers Cheirolepidiaceae. |
1970 |
| details |
Valanginian |
Late Turonian |
USSR |
Vakhrameev,V.A. Principles of distribution and paleoecology of the Mesozoic Conifers Cheirolepidiaceae. |
1970 |
| details |
Callovian |
|
USSR |
Vakhrameev,V.A. Principles of distribution and paleoecology of the Mesozoic Conifers Cheirolepidiaceae. |
1970 |
| details |
Tithonian |
Valanginian |
USSR(Ukrainian SSR) |
Vakhrameev,V.A. Lower and Upper boundaries of the Upper Jurassic deposits based on paleobotanical data. |
1973 |
| details |
Tithonian |
Valanginian |
USSR(Caucasus) |
Vakhrameev,V.A. Lower and Upper boundaries of the Upper Jurassic deposits based on paleobotanical data. |
1973 |
| details |
Tithonian |
Valanginian |
USSR(Kazakh SSR) |
Vakhrameev,V.A. Lower and Upper boundaries of the Upper Jurassic deposits based on paleobotanical data. |
1973 |
| details |
Tithonian |
Valanginian |
USSR(Turkmen SSR) |
Vakhrameev,V.A. Lower and Upper boundaries of the Upper Jurassic deposits based on paleobotanical data. |
1973 |
| details |
Tithonian |
Valanginian |
USSR(European) |
Vakhrameev,V.A. Lower and Upper boundaries of the Upper Jurassic deposits based on paleobotanical data. |
1973 |
| details |
Tithonian |
|
USSR(Siberia) |
Vakhrameev,V.A. Lower and Upper boundaries of the Upper Jurassic deposits based on paleobotanical data. |
1973 |
| details |
Tithonian |
Valanginian |
USSR(Siberia) |
Vakhrameev,V.A. Lower and Upper boundaries of the Upper Jurassic deposits based on paleobotanical data. |
1973 |
| details |
Volgian |
Berriasian |
USSR(Kursk) |
Vakhrameev,V.A. et al. Paleobotanical data and the Jurassic-Cretaceous boundary. |
1975 |
| details |
Volgian |
Berriasian |
USSR(Turkmen SSR) |
Vakhrameev,V.A. et al. Paleobotanical data and the Jurassic-Cretaceous boundary. |
1975 |
| details |
Volgian |
Berriasian |
USSR(Kazakh SSR) |
Vakhrameev,V.A. et al. Paleobotanical data and the Jurassic-Cretaceous boundary. |
1975 |
| details |
Volgian |
Berriasian |
USSR(Siberia) |
Vakhrameev,V.A. et al. Paleobotanical data and the Jurassic-Cretaceous boundary. |
1975 |