| original |
Early Oligocene |
|
Colombia |
Hammen,T.Van Der et al. Description of some genera and species of fossil pollen and spores. |
1956 |
| details |
Early Oligocene |
Early Miocene |
Colombia |
Hammen,T.Van Der et al. Climatic periodicity and evolution of South American Maestrichtian and Tertiary floras. A study based on pollen anaylsis in Colombia. |
1957 |
| details |
Maastrichtian |
Middle Oligocene |
Colombia |
Hammen,T.Van Der et al. Palynological stratigraphy of the Sabana of Bogota (East Cordillerian of Colombia). |
1957 |
| details |
Oligocene |
|
Colombia |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Early Oligocene |
Middle Oligocene |
Colombia |
Bolkhovitina,N.A. Fossil and contemporaneous spores of the Family Schizaeaceae. |
1961 |
| details |
Early Oligocene |
Middle Oligocene |
South America |
Bolkhovitina,N.A. Fossil and contemporaneous spores of the Family Schizaeaceae. |
1961 |
| details |
Eocene |
|
British Guiana |
Hammen,T.Van Der et al. A palynological study on the Tertiary and Upper Cretaceous of British Guiana. |
1964 |
| details |
Oligocene |
Early Miocene |
British Guiana |
Hammen,T.Van Der et al. A palynological study on the Tertiary and Upper Cretaceous of British Guiana. |
1964 |
| details |
Oligocene |
Miocene |
Brazil(Amazonas) |
de Boer,N.P. et al. A palynological study on the age of some borehole samples from the Amazonas Delta area, northwest Brazil. |
1965 |
| details |
Oligocene |
|
India(Gujarat) |
Kar,R.K. Palynostratigraphy of Maniyara Fort Formation (Oligocene) in the District of Kutch, Western India. |
1977 |
| details |
Oligocene |
|
India(Kutch) |
Kar,R.K. Palynological fossils from the Oligocene sediments and their biostratigraphy in the District of Kutch, Western India. |
1979 |
| details |
Oligocene |
|
India(Kutch) |
Kar,R.K. Palynological fossils from the Oligocene sediments and their biostratigraphy in the District of Kutch, Western India. |
1979 |
| details |
Tertiary |
|
India(Assam) |
Sah,S.C.D. et al. Palynological zonation of the Tipam Group in Nahorkatiya area of Upper Assam. |
1979 |
| details |
Middle Miocene |
|
India(Arunachal Pradesh) |
Dutta,S.K. Palynostratigraphy of the sedimentary formations of the Arunachal Pradesh. 2. Palynology of the Siwalik equivalent rocks of Kameng District. |
1980 |
| details |
Miocene |
|
India(Kerala) |
Kar,R.K. et al. Palynology of Neogene sediments around Quilon and Varkala, Kerala Coast, South India. 2 Spores and pollen grains. |
1981 |
| details |
Middle Eocene |
Late Eocene |
India(Gujarat) |
Kar,R.K. et al. Palynological investigation of a bore core near Rataria, Southern Kutch, Gujarat. |
1981 |
| details |
Paleocene |
Early Eocene |
India(Assam) |
Singh,R.K. Development of Palaeogene palynostratigraphy in northeast India. (In: Cenozoic stratigraphy and palynology in India.) |
1982 |