| original |
Late Barremian |
Early Aptian |
Gabon |
Doyle,J.A. et al. Early Cretaceous tetrads, Zonasulculate pollen and Winteraceae. 1: Taxonomy, morphology and ultrastructure. |
1990 |
| details |
Late Barremian |
Early Aptian |
Israel |
Shields,O. The origin and initial radiation of angiosperms in relation to Anthophytes. |
1994 |
| details |
Late Barremian |
Early Aptian |
Gabon |
Shields,O. The origin and initial radiation of angiosperms in relation to Anthophytes. |
1994 |
| details |
Aptian |
|
Egypt |
Shields,O. The origin and initial radiation of angiosperms in relation to Anthophytes. |
1994 |
| details |
Aptian |
|
USA(Atlantic Coast.Pl.) |
Shields,O. The origin and initial radiation of angiosperms in relation to Anthophytes. |
1994 |
| 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 |