| details |
Aptian |
Early Albian |
Canada(NWT,Mackenzie) |
Brideaux,W.W. Taxonomy of Upper Jurassic -Lower Cretaceous microplankton from the Richardson Mountains, District of MacKenzie, Canda. |
1977 |
| details |
Aptian |
|
Canada(W.Canada) |
Brideaux,W.W. Taxonomy of Upper Jurassic -Lower Cretaceous microplankton from the Richardson Mountains, District of MacKenzie, Canda. |
1977 |
| details |
Aptian |
|
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 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |