| original |
Late Oligocene |
Early Miocene |
Argentina(Chubut) |
Barreda,V.D. Pollen and spores biostratigraphy of the Chenque Formation, Late Oligocene?-Miocene from Chubut and Santa Cruz Provinces, Patago Argentina |
1996 |
| original |
Early Eocene |
Middle Eocene |
India(Tamil Nadu) |
Saxena,R.K. Neyveli Lignites and associated sediments. Their palynology, palaeoecology, correlation and age. |
1992 |
| original |
Early Campanian |
|
Texas |
Srivastava,S.K. Dinocyst biostratigraphy of Santonian-Maestrichtian Formations of the western Gulf Coastal Plain, South United States. |
1995 |
| original |
Campanian |
|
Ivory Coast |
Tea-Yassia,J. et al. Study of some Upper Cretaceous palynomorphs from the Cдte d'Ivoire offshore basin: biostratigraphical and pal¦oenvironmental implications. |
1999 |