| details |
Santonian |
Campanian |
Alaska |
Witmer,R.J. et al. Biostratigraphic correlation of selected test wells of National Petroleum Reserve in Alaska |
1981 |
| details |
Turonian |
Campanian |
Wyoming |
Sulkoske,W.C. Cretaceous microplankton assemblages from the Albian to Campanian of Wyoming. |
1975 |
| details |
Maastrichtian |
|
USSR(Ukrainian SSR) |
Grigorovich,A.S. Microphytoplankton of the Cretaceous-Paleogene deposits of the northern slopes of the Ukrainian Carpathians. |
1971 |
| details |
Senonian |
|
Nd |
Lentin,J.K. et al. Fossil dinoflagellates: index to genera and species. |
1973 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |