Pyrgophorus

Pyrgophorus is a genus of very small freshwater snails with a gill and an operculum, aquatic gastropod molluscs in the family Hydrobiidae.

Species
Species in the genus Pyrgophorus include:
 * Pyrgophorus cisterninus (Küster, 1852)
 * Pyrgophorus parvulus (Guilding, 1828)
 * Pyrgophorus platyrachis (Thompson, 1968) - serrate crownsnail
 * Pyrgophorus spinosus (Call & Pilsbry, 1886) - spiny crownsnail
 * Pyrgophorus coronatus (Pfeiffer, 1840)