| details |
Late Barremian |
Early Albian |
China(Tsinghai) |
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(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(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 |
Late Albian |
|
Kansas |
Ward,J.V. Early Cretaceous angiosperm pollen from the Cheyenne and Kiowa Formations, (Albian) of Kansas, USA. |
1986 |
| original |
Middle Albian |
Late Albian |
Canada(Alberta) |
Singh,C. Lower Cretaceous microfloras of the Peace River area, Northwestern Alberta. |
1971 |
| details |
Middle Albian |
|
Canada(Alberta) |
Singh,C. Stratigraphic significance of Early angiosperm pollen in the Mid-Cretaceous strata of Alberta. |
1975 |