Lioplax

Lioplax is a genus of freshwater snail with a gill and an operculum, an aquatic gastropod mollusk in the family Viviparidae.

Species
Species within the genus Lioplax include:
 * Lioplax choctawhatchensis Vanatta, 1935
 * Lioplax cyclostomatiformis (I. Lea, 1844)
 * Lioplax pilsbryi B. Walker, 1905
 * Lioplax subcarinata (Say, 1817)
 * Lioplax sulculosa (Menke, 1828)