| 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 Cretaceous | Italy | Corradini,D. Preliminary reports on the study of non-calcareous microplankton assemblages from the Upper Cretaceous of the northern Apennines | 1971 | |
| details | Ypresian | Belgium | De Coninck,J. Dinophyceae and acritarcha from the Ypresian of the Kallo Boring. | 1969 |