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Geolocation
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Author - title
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Year
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| original | Famennian | Belgium | Caro-Moniez,M. On an Upper Devonian horizon of spores of the Bore of Tournai (Belgium). | 1962 | |
| details | Givetian | USSR(Belorussian SSR) | Kedo,G.I. Spores of the Middle Devonian of the Northeast of Belorussian Ssr | 1955 |