[New species of Pseudofusulina from the Sakmarian and Artinskian stages of the northern part of the pre-Urals flexure and adjacent territories.] Rauzer-Chernousova, D.M.; Chuvashov, B.I.[Eds]. Biostratigrafiya artinskogo i kungurskogo yarusov Urala. [Biostratigraphy of the Artinskian and Kungurian stages of the Urals.], Urals Science Centre, Sverdlovsk, 1980: 1-150. Chapter pagination: 11-24. 19 [Zoological Record Volume 126]