| details |
Maastrichtian |
|
India(Assam) |
Sah,S.C.D. Palaeogene biostratigraphy of Shillong Plateau. (In: Aspects and Appraisal of Indian Palaeobotany. K.R.Surange, editor) |
1974 |
| details |
Valanginian |
|
USSR(Siberia) |
Vakhrameev,V.A. Lower and Upper boundaries of the Upper Jurassic deposits based on paleobotanical data. |
1973 |
| details |
Valanginian |
|
USSR(European) |
Vakhrameev,V.A. Lower and Upper boundaries of the Upper Jurassic deposits based on paleobotanical data. |
1973 |
| details |
Valanginian |
|
USSR(Kazakh SSR) |
Vakhrameev,V.A. Lower and Upper boundaries of the Upper Jurassic deposits based on paleobotanical data. |
1973 |
| details |
Valanginian |
|
USSR(Caucasus) |
Vakhrameev,V.A. Lower and Upper boundaries of the Upper Jurassic deposits based on paleobotanical data. |
1973 |
| details |
Valanginian |
|
USSR(Ukrainian SSR) |
Vakhrameev,V.A. Lower and Upper boundaries of the Upper Jurassic deposits based on paleobotanical data. |
1973 |
| details |
Middle Cenomanian |
|
France(Sarthe) |
Juiget,P. et al. The Black Shales of Ecommoy (Sarthe). |
1972 |
| details |
Barremian |
|
Romania |
Baltes,N. Palynological contributions to the knowledge of the stratigraphy of Lower Cretaceous deposits in Dobrogea |
1974 |
| details |
Valanginian |
Aptian |
Bulgaria |
Ercegovac,M. et al. Microfloral residues from the Lower Cretaceous of the Stara Planina Montains, Bulgaria. |
1972 |
| details |
Aptian |
Albian |
USSR(WSL) |
Chlonova,A.F. Form genera of spores and their significance of the correlation of the Late Lower Cretaceous deposits. |
1971 |
| details |
Valanginian |
|
Asia |
Vakhrameev,V.A. Lower and Upper boundaries of the Upper Jurassic deposits based on paleobotanical data. |
1973 |
| details |
Hauterivian |
Late Aptian |
Maryland |
Wolfe,J.A. et al. Stratigraphic interpretations of some Cretaceous microfossil floras of the Middle Atlantic States. |
1971 |
| details |
Albian |
|
India |
Singh,G. Demarcation of Jurassic-Cretaceous boundary. (In: Aspects and Appraisal of Indian Palaeobotany. K.R.Surange, editor) |
1974 |
| details |
Aptian |
Albian |
Southern Hemisphere |
Brenner,G.J. Middle Cretaceous floral Provinces and Early migrations of angiosperms. (In: Origin and Early Evolution of Angiosperms.C.B.Beck, editor) |
1976 |
| details |
Aptian |
Albian |
Northern Hemisphere |
Brenner,G.J. Middle Cretaceous floral Provinces and Early migrations of angiosperms. (In: Origin and Early Evolution of Angiosperms.C.B.Beck, editor) |
1976 |
| details |
Aptian |
Albian |
|
Volkheimer,W. et al. The oldest angiosperm-palynoflora in Argentina from the type locality of the Lower Cretaceous Huitrin Formation, Neuqu©n Basin; microfloristic association and biostratigraphic significance. |
1975 |
| details |
Early Cretaceous |
Maastrichtian |
North America |
Takahashi,K. Problems of distribution and variation of pollen and spore assemblages in the Upper Cretaceous and Paleogene. |
1973 |