Rivularia (gastropod)
Rivularia is a genus of freshwater snails with a gill and an operculum, aquatic gastropod mollusks in the family Viviparidae. Species in this genus is distributed only along the Xiang River region of Hunan province, People's Republic of China. Taxonomy. This genus was originally placed under the subfamily Bellamyinae of Viviparidae. In 2017, a reference moved the genus to Viviparinae according to anatomical and genetic data. Species. , WoRMS only recognize one species in this genus, namely "Rivularia auriculata" , the type species of this genus. The original combinatiion is this species was "Paludina auriculata" .