| details |
Aptian |
Early Albian |
China(Liaoning) |
Yu,J. et al. Sporo-pollen assemblages from the upper part of the Rehe Group, Liaoning Province |
1986 |
| details |
Aptian |
Early Albian |
China(Liaoning) |
Yu,J. et al. Sporo-pollen assemblages from the upper part of the Rehe Group, Liaoning Province |
1986 |
| details |
Early Cretaceous |
|
China(Manchuria) |
Yang,X.-L. et al. On the Yingchen Formation in the eastern part of Songliao Basin. |
1981 |
| details |
Aptian |
Albian |
China(Heilungkiang) |
Wu,H. Sporo-pollen assemblages of Dongshan and Houshigou Formations in Jixi Basin of Heilongjiang Province |
1992 |
| details |
Cenomanian |
|
Arizona |
Ward,J.V. An introduction to the paleoecology of Coal Mine Canyon, Arizona. |
1973 |
| original |
Cenomanian |
Coniacian |
Wyoming |
Upshaw,C.F. Palynology of the Frontier Formation, northwestern Wind River Basin, Wyoming. |
1959 |
| details |
Late Turonian |
|
Canada(Alberta) |
Sweet,A.R. et al. Late Turonian marine and nonmarine palynomorphs from the Cardium Formation, North Central Alberta Foothills, Canada. (In: Sequences, stratigraphy, sedimentology; surface and subsurface. D.P.James and D.A.Leckie, editors) |
1988 |
| details |
Early Cretaceous |
Middle Cretaceous |
China |
Su,D. et al. Late Mesozoic biostratigraphy of nonmarine ostracoda and pollen and spores in China. |
1983 |
| details |
Middle Cenomanian |
|
Canada(Alberta) |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |
| details |
Late Cretaceous |
|
Arizona |
Romans,R.C. Palynology of some Upper Cretaceous Coals of Black Mesa, Arizona |
1969 |
| details |
Late Cretaceous |
|
Arizona |
Romans,R.C. Schizaeaceous fern spores from the Cretaceous of Arizona |
1972 |
| details |
Late Cretaceous |
|
Arizona |
Romans,R.C. Palynology of some Upper Cretaceous Coals of Black Mesa, Arizona |
1975 |
| details |
Cenomanian |
|
Iowa |
Ravn,R.L. Preliminary observations on the palynology of Upper Dakota Formation Lignites in Northwest Iowa and Northeast Nebraska. (In: Cretaceous stratigraphy and sedimentation in Northwest Iowa, Northeast Nebraska and Southeast South Dakota) |
1981 |
| details |
Cenomanian |
|
Nebraska |
Ravn,R.L. Preliminary observations on the palynology of Upper Dakota Formation Lignites in Northwest Iowa and Northeast Nebraska. (In: Cretaceous stratigraphy and sedimentation in Northwest Iowa, Northeast Nebraska and Southeast South Dakota) |
1981 |
| details |
Early Cretaceous |
|
China(Heilungkiang) |
Pu,R. Mesozoic sporo-pollen floras and paleophyto geoprovinces in Northeastern China |
1992 |
| details |
Cretaceous |
|
China(Manchuria,Jilin) |
Pu,R. Mesozoic sporo-pollen floras and paleophyto geoprovinces in Northeastern China |
1992 |
| details |
Early Cretaceous |
|
China(Liaoning) |
Pu,R. Mesozoic sporo-pollen floras and paleophyto geoprovinces in Northeastern China |
1992 |