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Berezin, A.Y. (2011). "A new plesiosaur of the family Aristonectidae from the early cretaceous of the center of the Russian platform". Paleontological Journal. 45 (6): 648–660. doi:10.1134/S0031030111060037. S2CID129045087.
Blagovetshenskiy, I.V.; Shumilkin, I.A. (2006). "Gastropod mollusks from the Hauterivian of Ulyanovsk (Volga Region): 2. Genera Khetella Beisel, 1977 and Cretadmete gen. nov". Paleontological Journal. 40 (2): 143–149. doi:10.1134/S0031030106020043. S2CID83736583.
Golovinova, M.A.; Guzhov, A.V. (2009). "Early Cretaceous gastropods of the Middle-Lower Volga river region from P.A. Gerasimov's collection". Paleontological Journal. 43 (5): 506–513. doi:10.1134/S0031030109050050. S2CID128624041.