| details |
Albian |
|
Portugal |
Chapman,J.L. Practical difficulties in the application of the species concept in Albian angiosperm pollen. (In: Studies in Palaeobotany and Palynology in Honor of N.F.Hughes. D.J.Batten and D.E.G.Briggs, editors) |
1986 |
| original |
Albian |
|
Nd |
Brenner,G.J. The spores and pollen of the Potomac Group of Maryland |
1962 |
| details |
Albian |
|
Nd |
Doyle,J.A. et al. Diversification of early angiosperm pollen in cladistic context. (In: Pollen and Spores, Patterns of Diversification. S.Blackmore and S.H.Barnes, editors) |
1991 |
| details |
Albian |
Early Cenomanian |
Atlantic Ocean(South) |
Kotova,I.Z. Comparative characteristics of the Lower Cretaceous palynoassemblage of the Central and Southern Atlantic. (In: Stratigraphic problems from the Late Proterozoic and Phanerizoic.) |
1989 |