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Geolocation
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Author - title
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Year
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| details | Givetian | USSR(Russian Platform) | Krylova,A.K. et al. Devonian System. (In: Stratigraphy and Paleogeography of the Sinian, Paleozoic and Triassic of the Western Russian Platform. E.M.Lutkevich and A.K.Krilova, editor) | 1973 | |
| details | Eifelian | Givetian | Czechoslovakia | SnopkovŠ,P. et al. Devonian (Givetian-Frasnian) found by Drill Hole FV-1, (Blhovce). | 1979 |