| original |
Late Triassic |
|
Australia(Queensland) |
de Jersey,N.J. Palynology and age of the Callide Coal Measures. |
1974 |
| details |
Early Albian |
Middle 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 |
| details |
Albian |
|
Alaska(North Slope) |
May,F.E. Dinoflagellate and acritarch assemblages from the Nanushuk Group, (Albian-Cenomanian), and the Torok Formation (Albian), Umat Test Well 11, National Petroleum Reserve in Alaska, northern Alaska. |
1979 |
| original |
Late Campanian |
Maastrichtian |
North America |
Farabee,M.J. Triprojectate fossil pollen genera. |
1990 |