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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 | Paleocene | Eocene | England | Downie,C. et al. Dinoflagellate cyst and acritarch associations in the Paleogene of Southeast England | 1971 |
| details | Early Oligocene | Poland | Eisenack,A. Cordosphaeridium n.g., ex Hystrichosphaeridium, Hystrichosphaeridea | 1963 |