details |
Aptian |
Albian |
Alaska |
Witmer,R.J. et al. Biostratigraphic correlation of selected test wells of National Petroleum Reserve in Alaska |
1981 |
details |
Nd |
|
Nd |
Bujak,J.P. et al. Modern and fossil Peridiniineae. |
1983 |
details |
Late Volgian |
Early Berriasian |
USSR(Siberia) |
Rovnina,L.V. et al. Microphytofossils of boundary deposits of Jurassic and Cretacous in Western Siberia. (In: Jurassic - Cretaceous Boundary. V.V.Menner, editor) |
1990 |
details |
Cretaceous |
Early Santonian |
Greenland |
Nиhr-Hansen,H. Dinoflagellate cyst biostratigraphy of the Upper Cretaceous Black Mudstones on Svartenhuk Halvo, western Greenland. |
1994 |
details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |
details |
Nd |
|
Nd |
Evitt,W.R. et al. A Tiger by the Tail: the Exophragm of the Cretaceous-Paleocene dinoflagellate Palaeoperidinium and its implications |
1998 |