| details |
Valanginian |
Early Aptian |
Czechoslovakia |
VavrdovЎ,M. Plant microfossils from the Lower Cretaceous of Stramberk, Czechoslovakia. |
1981 |
| details |
Late Barremian |
Early Albian |
Colorado |
Tschudy,R.H. et al. Palynological evaluation of Cedar Mountain and Burro Canyon Formations, Colorado Plateau. |
1984 |
| details |
Cenomanian |
|
USSR(Kazakh SSR) |
Smirnova,S.B. et al. Mezo-Cenozoic palynostratigraphy of the Central Caspian. |
1986 |
| details |
Albian |
|
Hungary |
Csaszar,G. The Middle Cretaceous in Hungary in Mid-Cretaceous events |
1976 |
| details |
Late Albian |
Turonian |
USSR(Yakut ASSR) |
Samoilovich,S.R. Palynological characterization of the Upper Cretaceous deposits in Western Yakutia. (In: Questions of Phytostratigraphy. S.R.Samoilovich et al, editors) |
1977 |
| details |
Aptian |
|
USSR(Nenets Nat.Okrug) |
Gryazeva,A.S. Palynological basis for the stratigraphy of Lower Cretaceous deposits of the Pechorsk Basin. (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| details |
Berriasian |
Valanginian |
USSR(Kazakh SSR) |
Vakhrameev,V.A. et al. Paleobotanical data and the Border Line between Jurassic and Cretaceous Systems. |
1973 |
| details |
Valanginian |
Aptian |
USSR(Siberia) |
Gryazeva,A.S. The role of Ribbed Schizean spores in the palyno stratigraphy of Lower Cretaceous deposits of the North-East European part of the USSR. (In: Palynological Investigations of Paleozoic and Mesozoic deposits of Northern USSR and Caspian Sea Region. N.A. Timoshina, editor) |
1985 |
| details |
Late Albian |
Late Cenomanian |
Atlantic Ocean |
Thurow,J. et al. The Cenomanian-Turonian boundary event (CTBE) at Hole 641A, ODP Leg 103, (Compared with the CTBE interval at Site 398). |
1988 |