| original |
Middle Albian |
|
Oklahoma |
Srivastava,S.K. Microspores from the Fredericksburgh Group (Albian) of the southern United States. |
1975 |
| details |
Middle Albian |
|
Texas |
Srivastava,S.K. Stratigraphic ranges of selected spores and pollen from the Fredericksburg Group, (Albian), of the southern United States. |
1981 |
| details |
Middle Albian |
|
Oklahoma |
Srivastava,S.K. Stratigraphic ranges of selected spores and pollen from the Fredericksburg Group, (Albian), of the southern United States. |
1981 |
| details |
Middle Cenomanian |
|
Canada(Alberta) |
Singh,C. Cenomanian microfloras of the Peace River area Northwestern Alberta |
1983 |
| details |
Late Cretaceous |
|
China(N.China) |
Miao,S. et al. Spores and pollen. Mesozoic spores and pollen. (In: Paleontological Atlas of North China.III.Micropaleontological Volume.) |
1984 |
| details |
Early Cretaceous |
|
China(Kansu) |
Zhang,Z. et al. Palynological assemblages from the Zhidan Group of Hauting and Longxian region, southwestern part of Ordos Basin. |
1989 |
| details |
Early Cretaceous |
|
China(Shensi) |
Zhang,Z. et al. Palynological assemblages from the Zhidan Group of Hauting and Longxian region, southwestern part of Ordos Basin. |
1989 |
| details |
Campanian |
|
Canada(Saskatchewan) |
Gilboy,C.F. et al. Preliminary palynological investigations of the Upper Cretaceous strata, southwestern Saskatchewan. |
1991 |
| details |
Cenomanian |
Turonian |
China(N.China) |
Li,W. et al. The Cretaceous palynofloras and their bearing on stratigraphic correlation in China. |
1994 |
| details |
Cenomanian |
Turonian |
China(N.China) |
Li,W. et al. The Cretaceous palynofloras and their bearing on stratigraphic correlation in China. |
1994 |
| details |
Cenomanian |
Oligocene |
China(N.China) |
Song,Z.-C. et al. Fossil Spores and Pollen of China. Volume 1: The Late Cretaceous and Tertiary Spores and Pollen. |
1999 |
| details |
Cenomanian |
Oligocene |
China(S.China) |
Song,Z.-C. et al. Fossil Spores and Pollen of China. Volume 1: The Late Cretaceous and Tertiary Spores and Pollen. |
1999 |