Ichthyofauna from the Key Sections of the Middle and Upper Permian of Eastern Europe. Complexes and Zonal Scale. Paper 2: Basin of the Volga and the Ural Rivers. Izvestiya of Saratov University. New series. Series: Earth Sciences, 20(1): 56-63
DOI: 10.18500/1819-7663-2020-20-1-56-63
