| original |
Maastrichtian |
Paleocene |
Maryland |
Benson,D.G.,Jr Dinoflagellate taxonomy and biostratigraphy at the Cretaceous-Tertiary boundary, Round Bay, Maryland. |
1976 |
| details |
Early Kimmeridgian |
|
France |
Stover,L.E. et al. Analyses of pre-Pleistocene organic-walled dinoflagellates. |
1978 |
| details |
Late Campanian |
|
Maryland |
May,F.E. Dinoflagellate-acritarch palynology. (In: Geology of the Round Bay Quadrange, Anne Arundel County, Maryland. J.P.Minard) |
1980 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |