MolluscaBase taxon details
original description
Yen, T.-C. (1948). Notes on land and fresh-water mollusks of Chekiang province, China. <em>Proceedings of the California Academy of Sciences, 4th series.</em> 26: 69-99., available online at https://www.biodiversitylibrary.org/page/15655875
page(s): 74, pl. 1, figs 8-9 [details]