| details |
Aptian |
Albian |
USSR(European) |
Kochetova,V.I. et al. Peridineae and Hystrichospheres in Mesozoic Deposi deposits of the Central Regions of the European parts of the USSR. |
1969 |
| details |
Aptian |
|
Poland |
Mamczar,J. The stratigraphy of the Barremian to Middle Albian sediments in the Polish Lowland according to studies of microspores. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |
| details |
Albian |
|
USSR(Yamalo-Nenets) |
Popovicheva,L.V. et al. Stratigraphy and correlation of Cretaceous Petroleum deposits of the Polui-Yamal Region |
1981 |