| original |
Late Paleocene |
Early Eocene |
Atlantic Ocean |
Boulter,M.C. et al. The Brito-Arctic Igneous Province flora around the Paleocene/Eocene boundary |
1989 |
| original |
Danian |
|
Nigeria |
Oloto,I.N. Palynological assemblage from the Danian of South -West Nigeria |
1990 |
| original |
Early Cenomanian |
|
China(Kirin) |
Chen,P.-D. Distribution and migration of the Jehol fauna with reference to the non-marine Jurassic-Cretaceous boundary in China. (In: Jurassic - Cretaceous Boundary. V.V.Menner, editor) |
1990 |
| original |
Pliensbachian |
|
Argentina |
Sarjeant,W.A.S. et al. Jurassic palynomorphs of the Circum-Pacific Region. (In: The Jurassic of the Circum-Pacific. G.E.G Westermann, editor) |
1992 |