| original |
Maastrichtian |
|
Canada(Alberta) |
Srivastava,S.K. Systematic description of some spores from the Edmonton Formation (Maestrichtian), Alberta, Canada. |
1972 |
| details |
Early Campanian |
|
Texas |
Srivastava,S.K. Dinocyst biostratigraphy of Santonian-Maestrichtian Formations of the western Gulf Coastal Plain, South United States. |
1995 |
| 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 |