Qilinia Xiang, He, Lu & Chen 2025, gen. nov.

Qilinia Xiang, He, Lu & Chen, gen. nov. https://zoobank.org/ urn:lsid:zoobank.org:act: 4D987748-F42E-4216-94DC-106FE1E1151E Type species. Qilinia longfeicheni gen. et sp. nov. Etymology. The genus name " qilinia " is derived from the place name "Qilin District" in Qujing City. We suggest the Chinese common name as " dzǝDz ". Diagnosis. Shell small, translucent, but solid, elongate conic, white or yellow. Apex obtuse, apical whorls smooth. Shell surface with axial growth lines. Umbilicus opened, base white. Suture relatively low, aperture ovate, less than half of shell in height, inner lip thickened and smooth, outer lip thickened, lips from different growing periods little outward-folding and overlapping. The second to last whorls swollen, sometime with axial ribs. Teleoconch whorl with a shoulder that is not obviously ramp-like. Differential diagnosis. In terms of shell morphology, Qilinia gen. nov. has an opened umbilicus and body whorl near the outer lip detached. This distinguishes it from all other species in the family. In addition, the characteristics of Shell surface without spiral rows of oblong pits and lips from different growing periods little outward-folding and overlapping can differentiate it from species of the family Stenothyridae. Distribution. This genus has only been found in Lake Fuxian in Yuxi City, Yunnan Province for the time being. Distribution and ecology. This species is only found in the lake sediments of Lake Lulianghai in Qilin District, Qujing, Yunnan Province.