| original |
Aptian |
Early Albian |
England(Isle of Wight) |
Duxbury,S. A study of dinoflagellate cysts and acritarchs from the Lower Greensand (Aptian to Lower Albian) of the Isle of Wight,
southern England. |
1983 |
| details |
Aptian |
Early Albian |
England(Isle of Wight) |
Lentin,J.K. et al. Fossil dinoflagellates: index to genera and species, 1985 edition. |
1985 |
| details |
Nd |
|
Nd |
Lentin,J.K. et al. Fossil dinoflagellates: index to genera and species, 1989 edition. |
1989 |
| details |
Middle Aptian |
|
W.Germany(Niedersachsen) |
Heilmann-Clausen,C. et al. A dinoflagellate correlation of Barremian-Aptian (Lower Cretaceous) strata in Lower Saxony (Germany). (In: The Barremian-Aptian Boundary. A Study of profiles from the boreal Cretaceous.E.Kemper, editor) |
1995 |
| details |
Middle Aptian |
|
W.Germany(Niedersachsen) |
Lister,J.K. et al. Palynostratigraphy of the Barremian-Aptian succession in the Wiechendorf 1/86 and Hoheneggelsen Kb9 boreholes in the Lower Saxony Basin, North Germany. (In: The Barremian-Aptian Boundary. A Study of profiles from the boreal Cretaceous.E.Kemper, editor) |
1995 |
| details |
Early Aptian |
Middle Aptian |
W.Germany(Niedersachsen) |
Heilmann-Clausen,C. et al. Barremian-Aptian dinoflagellates and calcareous nannofossils in the Ahlum 1 Borehole and the Otto Gott Claypit, Sarstedt, Lower Saxony Basin, Germany. (In: The Barremian-Aptian Boundary. A Study of profiles from the Boreal Cretaceous.E.Kemper, editor) |
1995 |
| details |
Early Aptian |
|
Germany(Niedersachsen) |
Below,R. et al. The kerogen facies of Claystone-Foliated Claystone-Rhythmites of the Upper Barremian-Lower Aptian in the Lower Saxony Basin (Northern Germany) as an example of the Drillhole Hoheneggelsen Kb50 |
1997 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |