Margarya franchetiMargarya francheti is a species of large operculate freshwater snail, an aquatic gastropod mollusc in the family Viviparidae, the river snails.TaxonomyHe J. introduced a new subgenus, Mabillemargarya, for M. francheti; however, this taxonomic act is not supported by comparative morphology and molecular phylogenetics. Therefore, Mabillemargarya is considered as a junior synonym of Margarya.DistributionThe distribution of Margarya francheti includes Dian Lake, Erhai Lake, Jianhu Lake in Yunnan Province, China.DescriptionZhang et al. provided details about the shell and about the radula.