| original |
Middle Barremian |
|
England(Yorkshire) |
Duxbury,S. Barremian phytoplankton from Speeton, East Yorkshire. |
1980 |
| details |
Middle Valanginian |
|
W.Germany(Niedersachsen) |
Below,R. Dinoflagellate cysts from the Platylenticeras Strata, (Lower Middle Valanginian), of the Schnepper Brick Clay Pit at Suddendorf in Northwest Germany. |
1981 |
| details |
Hauterivian |
|
W.Germany(Niedersachsen) |
Prжssl,K.F. Dinoflagellates of the Cretaceous, (Early Hauterivian to Late Turonian), in the Niedersachsen Basin. Stratigraphy and facies changes of the Konrad 101 borehole, as well as several other boreholes from northwest Germany. |
1990 |
| details |
Late Hauterivian |
Middle Barremian |
W.Germany(Niedersachsen) |
Prжssl,K.F. Dinoflagellates of the Cretaceous, (Early Hauterivian to Late Turonian), in the Niedersachsen Basin. Stratigraphy and facies changes of the Konrad 101 borehole, as well as several other boreholes from northwest Germany. |
1990 |
| details |
Barremian |
|
Greenland |
Nиhr-Hansen,H. Dinoflagellate cyst stratigraphy of the Barremian to Albian, Lower Cretaceous, Northeast Greenland. |
1993 |
| details |
Barremian |
|
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 |