MolluscaBase taxon details
original description
(of Paromphalus mapingensis Grabau, 1936 †) Grabau, A. W. (1936). Early Permian fossils of China, part II: fauna of the Maping Limestone of Kwangsi and Kweichow. <em>China Geological Survey, Palaeontologia Sinica (Series B).</em> 8(4): 1-441. [details]
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