| details |
Early Cretaceous |
|
India(Tamil Nadu) |
Venkatachala,B.S. et al. Stratigraphic implication of Late Gondwana floras in the east coast. (In: Concepts, limits and extension of the Indian Gondwana. B.S.Venkatachala and H.K.Maheshwari, editors) |
1988 |
| details |
Hauterivian |
Barremian |
USSR(Ukrainian SSR) |
Voronova,M.A. Early Cretaceous miospores of the Ukraine |
1984 |
| details |
Middle Albian |
|
Canada(Alberta) |
White,J.M. et al. Palynological age constraints on the Cadomin and Dalhousie Formations in SW Alberta. |
1999 |
| details |
Early Cenomanian |
|
Iowa |
Witzke,B.J. et al. The Dakota Formation in Iowa and the type area. (In: Perspectives on the eastern Margin of the Cretaceous Western Interior Basin. G.W. Shurr et al, editors) |
1994 |
| details |
Aptian |
Early Albian |
China(Liaoning) |
Yu,J. et al. Sporo-pollen assemblages from the upper part of the Rehe Group, Liaoning Province |
1986 |