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Geolocation
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Author - title
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Year
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| details | Late Givetian | Spitsbergen | Moreau-Benoit,A. Initial results of a palynologic study of the Devonian of the Fours a Chaux Quarry at Angers (Maine-et-Loire) | 1967 | |
| original | Givetian | Spitsbergen | Allen,K.C. Lower and Middle Devonian spores of North and Central Vestspitsbergen | 1965 |