| details |
Maestrichtian |
|
China(NE.China) |
Zhang,Y.-Y. Late Cretaceous palynofloras of China |
1993 |
| details |
Cenomanian |
|
China |
Zhang,Y.-Y. Late Cretaceous palynofloras of China |
1993 |
| details |
Late Barremian |
Early Albian |
China(Liaoning) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Early Albian |
China(Hopei) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Early Albian |
China(Inner Mongolia) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Early Albian |
China(Kansu) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Early Albian |
China(Sinkiang Uighur) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Early Albian |
China(Shansi) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Late Barremian |
Early Albian |
China(Tsinghai) |
Yu,J. The study of Early Cretaceous angiospermous pollen in northern China. |
1990 |
| details |
Cretaceous |
|
South Korea |
Yi,S. et al. Pollen and spores of South Korea. |
2004 |
| details |
Aptian |
Early Albian |
South Korea |
Yi,M.-S. et al. Cretaceous pakynomorphs from the Iljik Formation in the Euiseong area, Korea. |
1993 |
| details |
Late Albian |
|
Kansas |
Ward,J.V. Early Cretaceous angiosperm pollen from the Cheyenne and Kiowa Formations, (Albian) of Kansas, USA. |
1986 |
| details |
Late Valanginian |
Aptian |
China(Hupei) |
Wang,X. Pollen record of early angiosperms in Northeast China. |
2000 |
| details |
Hauterivian |
Barremian |
China(Inner Mongolia) |
Wang,X. Pollen record of early angiosperms in Northeast China. |
2000 |
| details |
Tithonian |
Berriasian |
China(Liaoning) |
Wang,X. Pollen record of early angiosperms in Northeast China. |
2000 |
| details |
Middle Albian |
Late Albian |
Maryland |
Walker,J.W. et al. Ultrastructure of Lower Cretaceous angiosperm pollen and the origin and Early evolution of Flowering plants |
1984 |
| details |
Barremian |
Albian |
Virginia |
Upchurch,G.R. et al. Paleoecology of the Conifers Frenlopsis and Pseudofrenelopsis (Cheirolepidiaceae) from the Cretaceous Potomac Group of Maryland and Virginia. (In: Geobotany II -Edited by R.C.Romans) |
1981 |