Tschernyschew, T. N. (1902). Verkhnekamennougol'nyya Brakhiopody Urala i Timana [Upper Carboniferous Brachiopods of the Urals and Timan]. <em>Trudy Geologicheskago Komiteta.</em> 16(2): 1-749.[details]
original descriptionTschernyschew, T. N. (1902). Verkhnekamennougol'nyya Brakhiopody Urala i Timana [Upper Carboniferous Brachiopods of the Urals and Timan]. <em>Trudy Geologicheskago Komiteta.</em> 16(2): 1-749.[details]