Late Paleozoic and Triassic brachiopods from the east of the Qinghai-Xizang Plateau. Stratigraphy and palaeontology in West Sichuan and East Xizang, China. Part 3., Sichuan Science and Technology Press, Chengdu., 1985: 1-24. Chapter pagination: 182-249. 210 [Zoological Record Volume 133]