| original |
Late Eocene |
Oligocene |
Colombia |
Sol© de Porta,N. Presence of Tythodiscus Norem in Colombia. |
1959 |
| details |
Late Eocene |
Middle Oligocene |
Hungary |
Kedves,M. Noremia, a new microfossil genus from the Hungarian Eocene, and systematical and stratigraphical problems about the Crassoshaeridae. |
1962 |
| details |
Nd |
|
Nd |
Downie,C. et al. Bibliography and index of fossil dinoflagellates and acritarchs. |
1965 |
| details |
Bartonian |
|
France |
Auffret,J.P. et al. Palynological data of the Submarine Paleogene Basin of the eastern English Channel |
1975 |
| details |
Eocene |
Oligocene |
Colombia |
Salard,M. et al. The presence of the genera Tytthodiscus, Norem,1955 in Cameroon (Africa) and Chile (South America). |
1975 |
| original |
Early Miocene |
|
Cameroon |
Salard,M. et al. The presence of the genera Tytthodiscus, Norem,1955 in Cameroon (Africa) and Chile (South America). |
1975 |
| original |
Early Miocene |
|
Chile |
Salard,M. et al. The presence of the genera Tytthodiscus, Norem,1955 in Cameroon (Africa) and Chile (South America). |
1975 |
| details |
Auversian |
Stampian |
France(Paris Basin) |
Chўteauneuf,J.-J. Palynostratigraphy and paleoclimatic of the Late Eocene-Oligocene of the Paris Basin France |
1980 |
| details |
Oligocene |
Early Miocene |
Colombia |
Dueбas-Jimenez,H. Geology and palynology of the Cienaga de Oro Formation, Caribe Region, Columbia. |
1986 |
| details |
Late Eocene |
Oligocene |
Nd |
Fensome,R.A. et al. Acritarchs and Fossil Prasinophytes: An index to genera, species and infraspecific taxa. |
1990 |