MolluscaBase eds. (2025). MolluscaBase. Pyrgulopsis euzona (G. D. Hanna, 1923) †. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1313561 on 2025-05-12
Marine Species Traits editorial board (2025). Marine Species Traits. Pyrgulopsis euzona (G. D. Hanna, 1923) †. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1313561 on 2025-05-12
basis of recordHershler, 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 page(s): 85 [details] Available for editors