| details |
Barremian |
Albian |
China(Kirin) |
Yu,J. et al. Early Cretacous spores and pollen assemblage of Yanbian District |
1983 |
| details |
Valanginian |
Early Albian |
China(Liaoning) |
Yu,J. et al. Sporo-pollen assemblages from the upper part of the Rehe Group, Liaoning Province |
1986 |
| 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 |
Jurassic |
Cretaceous |
Canada(NWT,Mackenzie) |
Yorath,C.J. et al. Cretaceous and Tertiary stratigraphy and paleogeography northern Interior Plains, District of MacKenzie. |
1981 |
| details |
Jurassic |
|
China(Shensi) |
Xu,Y. et al. Spores and pollen (Jurassic). (In: Mesozoic Stratigraphy and Palaeontology of the Shan-Gan-Ning Basin.) |
1980 |
| details |
Aptian |
Albian |
China(Heilungkiang) |
Wu,H. Sporo-pollen assemblages of Dongshan and Houshigou Formations in Jixi Basin of Heilongjiang Province |
1992 |
| details |
Aptian |
|
Gabon |
Wood,G.D. et al. Palynology, palynofacies, paleoenvironments and geochemistry of Lower Cretaceous (Pre-Salt) Cocobeach Group, North Gabon Subbas Gabon. |
1997 |
| details |
Early Cretaceous |
|
Gabon |
Wood,G.D. et al. Palynology, palynofacies and geochemistry of the Early Cretaceous Cocobeah Group, Gabon. |
1997 |
| details |
Triassic |
Paleocene |
Alaska |
Witmer,R.J. et al. Biostratigraphic correlation of selected test wells of National Petroleum Reserve in Alaska |
1981 |
| details |
Early Cretaceous |
|
Utah |
Witkind,I.J. et al. Age and correlation of Cretaceous rocks previously assigned to the Morrison (?) Formation Sanpete-Sevier Valley area, Central Utah. |
1986 |
| details |
Neocomian |
Aptian |
Australia(W.Australia) |
Wiseman,J.F. et al. Palynological investigation of samples from Sites 259, 261, and 263, Leg 27, Deep Sea Drilling Project. |
1974 |