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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 | Wealden | Belgium | Delcourt,A.F. et al. Some microfossils from the Wealdian of Feron-Glageon. | 1957 | |
| original | Late Cretaceous | France(Cher) | Valensi,L. Some microorganisms from the Cretaceous flint of Magdalenien de Saint-Amand (Cher). | 1955 |