Traits taxon details
original description
Zhao, J.-K.; Sheng, J.-Z.; Yao, Z.-Q.; Liang, X.-I.; Chen, C.-Z.; Rui, L.; Liao, Z.-T. (1981). 中国南部的长兴阶和二叠系与三叠系之间的界线 - The Changhsingian and Permian-Triassic boundary of South China. <em>中国科学院南京地质古生物研究所丛刊 - Bulletin of Nanjing Institute of Geology and Palaeontology Academia Sinica.</em> 2(4): 1-112., available online at http://ir.nigpas.ac.cn/handle/332004/11152 page(s): p. 74, pl. 1, fig. 24. [details]
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