| link
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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 | Rupelian | Belgium | De Coninck,J. Organic-walled phytoplankton biostratigraphy of the Eocene - Oligocene transition in the Kallo Borehole and the Rupelian stratotype area (northwestern Belgium). | 1999 |
| details | Early Aptian | Australia(W.Australia) | Kemp,E.M. Palynological observations in the Officer Basin, Western Australia. | 1976 | |
| details | Early Cretaceous | Alaska | Norris,G. Provincialism of Callovian-Neocomian dinoflagellate cysts in the northern and southern Hemispheres | 1975 |