| details |
Early Aptian |
|
England |
Batten,D.J. Aptian and Albian palynomorph assemblages from Southern England. |
1979 |
| details |
Late Aptian |
Early Albian |
Canada(Alberta) |
Banerjee,I. et al. An integrated lithostratigraphic and palynostratigraphic study of the Ostracode zone and adjacent strata in the Edmonton Embayment, Central Alberta. (In: Sequences, stratigraphy, sedimentology; surface and subsurface. D.P.James and D.A.Leckie, editors) |
1988 |
| details |
Middle Albian |
Late Albian |
Canada(Alberta) |
Banerjee,I. et al. An integrated subsurface study of the Mannville -Colorado Group boundary in the Cessford Field, Alberta. |
1994 |
| details |
Late Aptian |
Early Albian |
Canada(Alberta) |
Banerjee,I. et al. Paleoenvironmental significance of biota of the Ostracode zone (Mannville Group) in South-Central Alberta |
1996 |
| details |
Late Aptian |
Middle Albian |
Romania |
Baltes,N. et al. The Black Shales Formation of the East Carpathians Litho-Biostratigraphy and oil potential |
1983 |
| details |
Late Albian |
|
Romania |
Antonescu,E. et al. New biostrarigraphic, (palynological and micropaleontological), data on black shales and variegates clays from East Carpathians. |
1977 |