The　plateau　lakes　of　Yunnan,　China　boast　a　high　diversity　of　Gastropoda;　however,　few　studies　have　been　conducted　on　Gastropoda　in　desiccated　lakes.　This　study　conducted　surveys　from　2021　to　2025　on　five　lakes　sediment　in　Yunnan.　A　total　of　27　freshwater　snail　species　and　four　new　genera　were　discovered　at　these　locations.　This　study　provides　morphological　descriptions　of　these　newly　discovered　freshwater　snails　and　has　proposed　their　taxonomic　status.　©　2025　The　Author(s).　This　is　an　open　access　article　distributed　under　the　terms　of　the　Creative　Commons　Attribution　License　(CC　BY),　which　permits　unrestricted　use,　distribution,　and　reproduction　in　any　medium,　provided　the　original　author　and　source　are　credited.