| details |
Late Triassic |
|
Arizona |
Gottesfeld,A.S. et al. Paleoecological studies of the microflora of the Chinle Formation (Upper Triassic), Petrified Forest National Park, Arizona. |
1966 |
| details |
Late Barremian |
Aptian |
Angola |
Salard-Cheboldaeff,M. Intertropical African palynostratigraphy from Cretaceous to Late Quaternary times |
1991 |
| details |
Cretaceous |
|
Alaska(North Slope) |
Scott,R.A. et al. Some Cretaceous plant Megafossils and microfossils from the Nanushuk Group, northern Alaska |
1979 |
| details |
Neocomian |
|
Africa |
de Lima,M.R. et al. Comparative study of the evolution of African and South American microfloras. I.Lowe Cretaceous. |
1981 |
| details |
Late Albian |
Early Cenomanian |
Africa |
Brenner,G.J. Middle Cretaceous floral Provinces and Early migrations of angiosperms. (In: Origin and Early Evolution of Angiosperms.C.B.Beck, editor) |
1976 |
| details |
Berriasian |
|
|
Quattrocchio,M.E. et al. Palynological study of the Berriasian in Mallin Quemado, Neuqu©n Province, Argentina. |
1981 |