| details |
Gzelian |
Ufimian |
Libya |
Brugman,W.A. et al. The problem of the Carboniferous-Permian boundary in northeast Libya from a palynological point of view. (In: The Subsurface Palynostratigraphy of Northeast Libya. Special Publication of the University of Garryounis, Libya. E.Arnauti et al, editors) |
1989 |
| details |
Berriasian |
Valanginian |
India(Gujarat) |
Krishna,J. Reappraisal of the marine and/or "mixed" Lower Cretaceous sedimentary sequences of India: Palaeogeography and time boundries. (In: Cretaceous of India : Proceedings of the Symposium on "Cretaceous of India - Palaeoecology, Palaeogeography and Time Boundaries". K.H.Maheshwari, editor) |
1983 |
| details |
Berriasian |
Valanginian |
USSR(Kazakh SSR) |
Verbitskaya,Z.I. et al. Detailed separation of Mesozoic deposits northern boundry Kazakhistan Fold Area, (from miospores). (In: Contemporary Significance of Paleontology for Stratigraphy.) |
1982 |