| link
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From
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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 | Toarcian | Bajocian | USSR(Kazakh SSR) | Nikolskii,V.M. et al. On the age of Coal-bearing sequence of the Nizhne Iliisk Coal deposit | 1980 |
| details | Bajocian | Bathonian | USSR(Siberia) | Ilyina,V.I. Jurassic palynology of Siberia | 1985 |
| details | Middle Jurassic | USSR(European) | Chirva,S.A. et al. Correlation of Middle Jurassic - Callovian Sandy Deposits of the Sysola, Yarenga and Pechora River Basins. (In: Jurassic Deposits of the Russian Platform: Collection of Scientific Papers) | 1986 |