MolluscaBase taxon details
original description
(of Valvata (Cincinna) fragilis W. Yü, 1965 †) Yü, W. (1965). New material of fresh-water Gastropoda from the upper part of the Yuanchü Chun, Yuanchü, Shansi. <em>Acta Palaeontologica Sinica.</em> 13(1): 29-57.
page(s): 32, pl. 1, figs 8-10 [details] Available for editors [request]