[New rugose corals from Upper Ordovician and Lower Silurian of Chingiz Mountain Range.] Apollonov, M.K.; Bandaletov, S.M.; Ivshin, N.K.[Eds]. The Lower Palaeozoic stratigraphy and palaeontology of Kazakhstan., Nauka, Leningrad, 1983: 1-176. Chapter pagination: 153-161. 156 [Zoological Record Volume 124]