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Author - title
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Year
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| details | Albian | Cenomanian | USSR(Amurskaya Oblast) | Nagibina,M.S. et al. Stratigraphy of Mesozoic deposits of the Upper Zeya Basin | 1960 |
| details | Late Jurassic | Early Cretaceous | USSR(Khabarovsk Kray) | Kotova,I.Z. On the boundary between the Jurassic and Cretaceous in Coal-bearing strata of the Bureya Basin, according to data on spore and pollen analysis | 1961 |
| details | Hauterivian | USSR(Kazakh SSR) | Garetsky,R.G. The Depth-Geology of the Kokpectinskaya Anticline near Mugodzar Region. | 1957 |