| details |
Aptian |
Cenomanian |
USSR(WSL) |
Fensome,R.A. Taxonomy and biostratigraphy of Schizaealean spores from the Jurassic-Cretaceous boundary beds of the Aklavik Range, District of MacKenzie |
1987 |
| original |
Aptian |
Cenomanian |
USSR(WSL) |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
| details |
Albian |
Turonian |
USSR(Vladimir) |
Shugaevskaya,O.V. Cretaceous palynoflores in the Southern Far East and their relation to lithofacies. (In: Far-Eastern Palaeofloristic. V.A. Krasilov, editor) |
1979 |
| details |
Albian |
Turonian |
USSR(Primorsk Kray) |
Shugaevskaya,O.V. Cretaceous palynoflores in the Southern Far East and their relation to lithofacies. (In: Far-Eastern Palaeofloristic. V.A. Krasilov, editor) |
1979 |
| details |
Albian |
Turonian |
USSR(Amurskaya Oblast) |
Shugaevskaya,O.V. Cretaceous palynoflores in the Southern Far East and their relation to lithofacies. (In: Far-Eastern Palaeofloristic. V.A. Krasilov, editor) |
1979 |
| details |
Valanginian |
|
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 Border Line between Jurassic and Cretaceous Systems. |
1973 |