| original |
Tertiary |
|
India(Assam) |
Banerjee,D. Microflora in crude petroleum from Assam, India. |
1965 |
| original |
Early Tertiary |
|
India(Andaman) |
Banerjee,D. A note on Tertiary microflora from Andaman Islands, India. |
1966 |
| original |
Late Campanian |
Early Eocene |
Nigeria |
Petrosyants,M.A. et al. Palynological characteristics of Danian-Paleocene strata in the South-West Sahara (Taudeni and Mali-Nigerian Syneclises) |
1975 |
| original |
Maastrichtian |
Danian |
Niger |
Movshovich,E.B. Fundamentals of elaboration of a general classification for gas and oil traps. |
1975 |
| original |
Maastrichtian |
Danian |
Mali |
Movshovich,E.B. Fundamentals of elaboration of a general classification for gas and oil traps. |
1975 |
| original |
Maastrichtian |
|
Nigeria |
Lawal,O. Palynological biostratigraphy and paleoenvironments of Cretaceous Formations in the Upper Benue, northeast Nigeria. |
1982 |