| details |
Berriasian |
Valanginian |
Netherlands |
Amerom,H.W.J.Van et al. Palaeobotanical and palynological investigation with notes on the microfauna of some core samples from the Lower Cretaceous in the West Netherlands Basin. |
1976 |
| details |
Aalenian |
Bathonian |
USSR(Uzbek SSR) |
Alimov,K.A. Lower and Middle Jurassic spore-pollen assemblages of Uzbekistan and their significance for oil exploration. |
1980 |
| details |
Early Callovian |
Middle Callovian |
USSR(Kazakh SSR) |
Alimov,K.A. et al. Jurassic spore and pollen assemblages of Ustyurt. (In: Mikrofossilii Drevneishikh Otlozhenii. T.F.Vozzhennikova and T.B.Timofeev, editors) |
1973 |