This genus is endemic to New Zealand and south eastern Australia.
However, one species within this genus, P. antipodarum, has been accidentally introduced in many countries worldwide, especially in Europe and North America, and has become a problematic invasive species.
Species
Species within the genus Potamopyrgus include:
Potamopyrgus acus Haase, 2008
Potamopyrgus alexenkoae Anistratenko in Anistratenko & Stadnichenko, 1995
Potamopyrgus antipodarum J. E. Gray, 1843 - (syn. Potamopyrgus jenkinsi)