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From
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To
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Geolocation
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Author - title
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Year
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| details | Late Eocene | Bulgaria | Chernyavska,S. Spore-pollen zones in certain Old Tertiary Coal bearing sediments in Bulgaria. | 1970 | |
| details | Late Eocene | Early Oligocene | Bulgaria | Chernyavska,S. Palynological studies on Paleogene deposits in South Bulgaria. | 1977 |
| details | Late Ypresian | France | Auffret,J.P. et al. Palynological data of the Submarine Paleogene Basin of the eastern English Channel | 1975 |