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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 | Early Frasnian | USSR(Tyumenskaya Oblast) | Sennova,V.F. et al. New developments in the stratigraphy of the Devonian deposits of Central and Southern Timan | 1984 | |
| details | Early Devonian | USSR(Lithuanian SSR) | Arkhangelskaya,A.D. Lower Devonian spores of Lithuania. | 1978 |