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Liang, S.-F. (1976). Gastropoda. In: Geological Bureau of Nei Mongol Autonomous Region and Geological Institute of Northeast China (eds) Paleontological Atlas of North China, Volume Inner Mongolia, Part 1 (Paleozoic). Geological Publishing House, Beijing, pp. 317-323.
Liang, S.-F. (1976). Gastropoda. In: Geological Bureau of Nei Mongol Autonomous Region and Geological Institute of Northeast China (eds) Paleontological Atlas of North China, Volume Inner Mongolia, Part 1 (Paleozoic). Geological Publishing House, Beijing, pp. 317-323.