Traits taxon details
original description
Zhu, G.-X. (1980). Mollusca. In: Shenyang Institute of Geology and Mineral Resources (Ed.) Paleontological Atlas of Northeast China II. Mesozoic and Cenozoic volume. Geological Publishing House, Beijing, pp. 8-59. page(s): 37, pl. 19, fig. 1 [details] Available for editors 
basis of record
Matsuoka, K. (1985). Pliocene freshwater gastropods from the Iga Formation of the Kobiwako Group, Mie Prefecture, Central Japan. <em>Transactions and Proceedings of the Palaeontological Society of Japan, new series.</em> 139: 180-195., available online at http://www.palaeo-soc-japan.jp/download/TPPSJ/TPPSJ_NS139.pdf page(s): 188 [details] Available for editors 
original description (unavailable nomenclaturally)
Youluo. (1978). Early Tertiary gastropod fossils from the coastal region of Bohai [in Chinese]. <em>Paleontological and Geological Research Institute, Nanjing.</em> vi + 157 pp., 33 pls. page(s): 26-27, pl. 2, figs 6-9 [details] Available for editors 
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