| details |
Middle Albian |
Late Albian |
Texas |
Srivastava,S.K. Microspores from the Fredericksburgh Group (Albian) of the southern United States. |
1975 |
| original |
Middle Albian |
Late Albian |
Oklahoma |
Srivastava,S.K. Microspores from the Fredericksburgh Group (Albian) of the southern United States. |
1975 |
| details |
Albian |
Cenomanian |
USA |
Srivastava,S.K. Stratigraphic ranges of selected spores and pollen from the Fredericksburg Group, (Albian), of the southern United States. |
1979 |
| details |
Middle Albian |
Late 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 |
Late Albian |
Oklahoma |
Srivastava,S.K. Stratigraphic ranges of selected spores and pollen from the Fredericksburg Group, (Albian), of the southern United States. |
1981 |
| details |
Tithonian |
Berriasian |
Canada(NWT,Mackenzie) |
Fensome,R.A. Miospores from the Jurassic-Cretaceous boundary beds, Aklavik Range, Northwest Territories, Canada. (Incorporating taxonomic reviews of several Groups of Mid-Late Mesozoic miospores) |
1983 |
| details |
Early 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 |
Valanginian |
|
China(Liaoning) |
Yu,J. et al. Sporo-pollen assemblages from the upper part of the Rehe Group, Liaoning Province |
1986 |