| original |
Aptian |
|
Egypt |
Doyle,J.A. et al. Early Cretaceous tetrads, Zonasulculate pollen and Winteraceae. 1: Taxonomy, morphology and ultrastructure. |
1990 |
| details |
Aptian |
|
Egypt |
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 |
Aptian |
|
Maryland |
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 |
Late Jurassic |
Cretaceous |
Nd |
Batten,D.J. Upper Jurassic and Cretaceous miospores. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |