original |
Cenomanian |
Coniacian |
Wyoming |
Upshaw,C.F. Palynology of the Frontier Formation, northwestern Wind River Basin, Wyoming. |
1959 |
original |
Paleocene |
Eocene |
Spitsbergen |
Manum,S.B. Some dinoflagellates and Hystrichosphaerids from the Lower Tertiary of Spitsbergen. |
1960 |
original |
Ryazanian |
Valanginian |
Norway |
Thusu,B. Aptian to Toarcian dinoflagellate cysts from Arctic Norway. (In: Distribution of Biostratigraphically diagnostic dinoflagellate cysts and miospores from the Northwest European continental shelf and adjacent areas. B.Thusu, editor) |
1978 |