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Geolocation
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Author - title
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Year
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| details | Early Permian | USSR(Yakut ASSR) | Grausman,V.V. et al. Stratigraphy of Upper Paleozoic deposits of the Vilyuy Synecline | 1987 | |
| details | Early Induan | USSR(Krasnoyarsk Kray) | Krugovykh,V.V. Miospores from the Triassic volcanic deposits of the Tunguska Synclise. (In: Boreal Triassic. A.S.Dagis, editor) | 1987 | |
| details | Carboniferous | Permian | USSR(Irkutskaya Oblast) | Suslova,M.G. et al. New data on the stratigraphy of Upper Paleozoic Coal-bearing sediments in the Middle Priangarie | 1982 |