new combination referenceHershler, R. (1994). A review of the North American freshwater snail genus <i>Pyrgulopsis</i> (Hydrobiidae). <em>Smithsonian Contributions to Zoology.</em> 554: 1-115., available online athttps://repository.si.edu/handle/10088/5139[details] Available for editors [request]
Present Inaccurate Introduced: alien Containing type locality