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Author - title
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Year
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| details | Anisian | Norian | USSR(Pre-Urals) | Tverdokhlebov,V.P. et al. Age of Surakay graycolored deposits and the time-range of Bukobai Group. | 1976 |
| details | Aalenian | Bajocian | USSR(Uzbek SSR) | Nikishova,V.M. et al. Stratigraphy of Jurassic deposits of the Narin Basin (Northern Fergana). (In: Biostratigraphy and Paleogeography of Meso-Cainozoic deposits in oil and gas regions of South East USSR. M.M.Aliev, editor) | 1964 |