| details |
Early Cretaceous |
|
Germany |
Davey,R.J. et al. The genus Hystrichosphaeridium and its allies. (In: Studies on Mesozoic and Cainozoic Dinoflagellate Cysts. R.J.Davey, C.Downie, W.A.S.Sarjeant and G.L.Williams) |
1966 |
| details |
Early Aptian |
|
Atlantic Coast Offshore |
Gradstein,F.M. et al. Mesozoic and Cenozoic stratigraphy of the Atlantic Continental Margin, eastern Canada. |
1976 |
| details |
Berriasian |
Albian |
Nd |
Millioud,M.E. et al. Stratigraphic range charts of selected Cretaceous dinoflagellates. |
1975 |
| details |
Aptian |
|
Canada(Eastern Offshore) |
Jenkins,W.A.M. et al. Stratigraphy of the Amoco Ioe A-1 Puffin B-90 Well, Grand Banks of Newfoundland. |
1974 |
| details |
Aptian |
|
USA(Atlantic Coast) |
Bebout,J.W. Biostratigraphy. (In: Geologic and Operational summary, Cost No.G-2 Well, Georges Bank area North Atlantic OCS. R.V.Amato and E.K.Simonis, editors) |
1980 |