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Ichthyofaunal correlation of the Triassic deposits from the northern Cis-Caspian and southern Cis-Urals regions. Geodiversitas, 19(2), 279–292
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Triassic Zonal Scheme of European Russia on Ichthyofauna. (in Russian). Izvestiya Saratovskogo universiteta. Ser. Nauki o Zemle, 2006(6): 63–71