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. ITIS, accessed 26 July 2009. 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)
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