AnularyaAnularya is a genus of large operculate freshwater snails, aquatic gastropod molluscs in the family Viviparidae.DistributionThe extant species of this genus appear to be endemic to Fuxian Lake, Xingyun Lake, Qilu Lake, Datun Lake and Changqiao Lake in Yunnan Province in the China.SpeciesThere are 2 extant species of Anularya, previously assigned to Margarya: Anularya mansuyi - type species ''Anularya bicostata''