Traits taxon details
original description
Yu W.Z. (1980). Taxonomic names, in Late Permian to Early Triassic gastropods from Western Guizhou Province. <em>Stratigraphy and Palaeontology of Upper Permian Coal-bearing Formation in Western Guizhou and Eastern Yunnan, China.</em> pp. 195-232. page(s): 205 [details]
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