| original |
Aptian |
|
Canada(NWT,Mackenzie) |
Brideaux,W.W. Taxonomy of Upper Jurassic -Lower Cretaceous microplankton from the Richardson Mountains, District of MacKenzie, Canda. |
1977 |
| details |
Late Kimmeridgian |
Hauterivian |
China(Heilungkiang) |
Yu,J. Late Jurassic and Early Cretaceous dinoflagellate assemblages of eastern Heilongjiang Province |
1982 |
| details |
Early Barremian |
|
France(Alpes,Basses) |
Srivastava,S.K. Barremian dinoflagellate cysts from southeastern France. |
1984 |
| details |
Valanginian |
Hauterivian |
India(Andhra Pradesh) |
Kumar,A. A sequence of dinocysts from the subsurface sediments (Valanginian-Hauterivian) of the Krishna-Godavari Basin, India |
1986 |
| details |
Nd |
|
Nd |
Williams,G.L. et al. The Lentin and Williams Index of Fossil Dinoflagellates.1998 Edition. |
1998 |