| 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 | Senonian | Belgium | Eisenack,A. Catalog of fossil dinoflagellates, hystrichospheres and microfossils | 1964 | |
| details | Late Cretaceous | Belgium | Lejeune-Carpentier,M. The microscopic study of Flint. An Hystrichosphere to classify with the peridinians. (Eleventh note.) | 1943 |