details |
Barremian |
Early Aptian |
England(Dorset) |
Ruffell,A.H. et al. Uppermost Wealden facies and Lower Greensand Group (Lower Cretaceous) in Dorset, Southern England; correlation and palaeoenvironment. |
1994 |
details |
Barremian |
Aptian |
USSR(Taymyr Nat.Okrug) |
Kotova,I.Z. et al. On the age of Mesozoic deposits of the Shrenk Depression in northern Taymyr |
1989 |
details |
Barremian |
Aptian |
Alaska |
Kimyai,A. Palynology and biostratigraphy of the Lower Cretaceous sediments in the South Barrow Test Well No.1, Point Barrow, Alaska. |
2000 |
details |
Barremian |
|
China(Hopei) |
Smith,J.B. et al. Biostratigraphy and avian origins in northeastern China. (In: New Perspectives on the Origin and Early Evolution of Birds: Proceedings of the International Symposium in Honor of John H. Ostrom. J. Gauthier and L. F. Gall, editors) |
2001 |
details |
Barremian |
|
China(Liaoning) |
Smith,J.B. et al. Biostratigraphy and avian origins in northeastern China. (In: New Perspectives on the Origin and Early Evolution of Birds: Proceedings of the International Symposium in Honor of John H. Ostrom. J. Gauthier and L. F. Gall, editors) |
2001 |
details |
Barremian |
Early Albian |
China(Heilungkiang) |
Wang,X. Microflora of the Dongning Formation (Early Cretaceous) in the Dongning Basin, Southeatern Heilongjiang, China. |
1995 |
details |
Aptian |
Albian |
W.Germany(N.Rhine) |
Grebe,H. Lower Cretaceous filling of the Nehden Karst cave in Sauerland. 2.Microspore associations, determination of age and an attempt to associate microflora with Parent plants. |
1982 |
details |
Aptian |
|
Canada(Alberta) |
Singh,C. Microflora of the Lower Cretaceous Mannville Group, east-central Alberta. |
1964 |
details |
Aptian |
|
China(S.China) |
Li,W. et al. The Cretaceous palynofloras and their bearing on stratigraphic correlation in China. |
1994 |
details |
Albian |
|
Canada(Alberta) |
Vagvolgyi,A.B. Palynology of type McMurray Formation. |
1964 |
details |
Albian |
Cenomanian |
China(Heilungkiang) |
Wu,H. Sporo-pollen assemblages of Dongshan and Houshigou Formations in Jixi Basin of Heilongjiang Province |
1992 |
details |
Albian |
Cenomanian |
China(Heilungkiang) |
Zhang,C.B. Spore assemblage of the Mulin Formation from the Tszisi Region, the Tszisi Region, Kheyluntszyan Province and its stratigraphic significance. |
1965 |