[On the appearance of dimorphism in the internal shell structure of Jurassic brachiopods - Tshemsarythyris Ovtsharenko, gen. nov.] Izvestiya Akademii Nauk Tadzhikskoi SSR Otdelenie Biologicheskikh Nauk, 1983(4) 1983: 37-44. 41 [Zoological Record Volume 120]