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Geolocation
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Author - title
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Year
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| details | Jurassic | France(Cher) | Valensi,L. Micropaleontologic study of flint from the Magdelenian of Saint Amand, (Cher). | 1955 | |
| details | Early Cretaceous | Miocene | Australia | Deflandre,G. et al. On the fossil microplankton preserved in several Australian sedimentary rocks running from the Lower Cretaceous to the Upper Miocene. | 1954 |
| details | Bathonian | France(Poitou) | Valensi,L. Microfossils from flint of the Middle Jurassic. Petrographic remarks. | 1953 |