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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 | Belgium | Dijkstra,S.J. Some Paleocene megaspores and other small fossils. | 1961 | |
| details | Paleocene | Netherlands | M¤dler,K.A. Azolla of the Quaternary and Tertiary and its significance for the taxonomy of older spores | 1954 | |
| original | Paleocene | Netherlands | Florschutz,F. Azolla of the Dutch Paleocene and Pleistocene. | 1944 |