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Chernyshev, B. I. (1956). Ob Unio iz verkhnetriasovykh otlozheniy vostochnogo sklona Urala [On Unio from the Upper Triassic deposits of the eastern slope of the Urals]. Yezhegodnik Vsesoyuznogo paleontologicheskogo obshchestva. 15: 161-163, pl. 1. Moskva.
Chernyshev, B. I. (1956). Ob Unio iz verkhnetriasovykh otlozheniy vostochnogo sklona Urala [On Unio from the Upper Triassic deposits of the eastern slope of the Urals]. Yezhegodnik Vsesoyuznogo paleontologicheskogo obshchestva. 15: 161-163, pl. 1. Moskva.