| original |
Aptian |
|
USA(Atlantic Coast.Pl.) |
Doyle,J.A. The Monocotyledons |
1973 |
| original |
Aptian |
|
USA(Atlantic Coast.Pl.) |
Wolfe,J.A. et al. The basis of angiosperm phylogeny-paleobotany. |
1975 |
| original |
Barremian |
Aptian |
USA(Atlantic Coast.Pl.) |
Doyle,J.A. Fossil evidence on the early adaptive radiation of angiosperms. (In: Evolutionary Biology. Proceedings of the International Conference, Liblice,1975. V.J.A.Novak and B.Pacltova, editors) |
1976 |
| original |
Aptian |
Early Albian |
USA(Atlantic Coast.Pl.) |
Doyle,J.A. et al. Pollen and leaves from the Mid-Cretaceous Potomoc Group and their bearing on early angiosperm evolution. (In: Origin and Early Evolution of Angiosperms.C.B.Beck, editor) |
1976 |