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Chao & Liang MS.. In Hubei Sheng Dizhi Kexue Yanjiusuo et al. [Hubei Province Institute of Geology et al.], Zhongnan diqu gushengsu tuce.2. Wan gusheng dai bufen. [Fossils of central and southern China. Vol.2. Late Palaeozoic.] Diz Chuban She [Geological . |