Bryozoa of the early and middle Carboniferous of some regions of the western slope of the Urals. Mikrofauna SSSR. Sbornik 13., Mikrofauna SSSR. Sbornik 13. Trud. VNIGRI 179 1961: 27-160 12 pls. 46 text-figs. [In Russian.]", 1962: 27-160. Chapter pagination: 27-160. [Zoological Record Volume 99]