| details |
Middle Albian |
Early Cenomanian |
Delaware |
Doyle,J.A. Spores and pollen |
1977 |
| details |
Early Albian |
Early Cenomanian |
Delaware |
Doyle,J.A. Patterns of evolution in early angiosperms. (In:Patterns of evolution, as illustrated by the fossil record. A.Hallam, editor) |
1977 |
| details |
Late Barremian |
Albian |
China(Liaoning) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Albian |
China(Hopei) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Albian |
China(Inner Mongolia) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Albian |
China(Kansu) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Albian |
China(Sinkiang Uighur) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Albian |
China(Shansi) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Albian |
China(Tsinghai) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Albian |
|
Virginia |
Reinhardt,J. et al. Lower Cretaceous stratigraphy of the core. |
1980 |
| details |
Thanetian |
|
France(Puy-de-Dome) |
Kedves,M. et al. Palynology of the Thanetian Layers of Menat. The geology of the Menat Basin, France. |
1982 |
| details |
Late Albian |
|
Nd |
Vakhrameev,V.A. Ancient angiosperms and the evolution of the flora in the Middle of the Cretaceous Period |
1981 |
| details |
Early Cenomanian |
|
Maryland |
Robbins,E.I. et al. Palynological and stratigraphic investigations of four deep wells in the Salisbury Embayment of the Atlantic Coastal Plain. |
1975 |
| details |
Late Cenomanian |
|
Virginia |
Robbins,E.I. et al. Palynological and stratigraphic investigations of four deep wells in the Salisbury Embayment of the Atlantic Coastal Plain. |
1975 |
| details |
Middle Albian |
|
Canada(Alberta) |
Burden,E.T. et al. Palynomorphs of the Upper Blairmore Group, southwestern Alberta. |
1991 |