Shuiyu Xiang, He, Li & Chen 2025, gen. nov.

Shuiyu Xiang, He, Li & Chen, gen. nov. https://zoobank.org/ urn:lsid:zoobank.org:act: D7A23F74-8E48-41B1-AFD9-733D7D71284C Type species. Shuiyu rillionaae gen. et sp. nov. Etymology. The genus name " Shuiyu " is derived from the ancient Chinese term for crystal. We suggest the Chinese common name as " 水玉Dz ". Diagnosis. Shell small, but solid, elongate conic, whorls often with some axial ribs. Umbilicus narrow, around with one keel, outer lip roll outward and thickened. Differential diagnosis. Shuiyu gen. nov. only resembles Hubendickia (Brandt, 1968). It differs from Hubendickia by having one keel at the umbilicus narrow and huge shell. Distribution and ecology. This genus has only been found in plateau lake in Yunnan Province for the time being.