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Geolocation
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Author - title
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Year
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| details | Westphalian | USSR(Pre-Urals) | Andreeva,E.M. et al. Spore and pollen complexes of Middle and Upper Paleozoic of the USSR. | 1960 | |
| details | Early Visean | USSR(Kazakh SSR) | Alekseeva,V.I. et al. New data on the Devonian and Carboniferous Deposi Ts of the Tereskan area of the South Emben Elevat Ion | 1978 |