| original |
Early Eocene |
|
Arkansas |
Jones,E.L. Plant microfossils of the Laminated sediments of the Lower Eocene Wilcox Group in South-Central Arkansas. |
1961 |
| original |
Miocene |
Quaternary |
India(West Bengal) |
Deb,U. Palynological investigation of Tertiary sediments of Bengal Basin South of Calcutta |
1970 |
| original |
Bathonian |
Kimmeridgian |
Africa(Sahara) |
Reyre,Y. Palynology of the Saharian Mesozoic.Computer processing data and application to the stratigraphy and the sedimentology. |
1973 |
| original |
Early Oligocene |
|
Atlantic Ocean |
Brattseva,G.M. Spores and pollen from Cenozoic sediments of the Falkland Plateau, Site 511, Deep Sea Drilling Project Leg 71. |
1983 |
| original |
Oligocene |
Early Miocene |
India(Bengal) |
Mehrotra,N.C. et al. Neogene dinoflagellate cysts from the Bengal Basin, India. |
1992 |