MolluscaBase taxon details
original description
Hershler, R.; Liu, H.-P. & Stevens, L. E. (2016). A new springsnail (Hydrobiidae: <i>Pyrgulopsis</i>) from the lower Colorado River Basin, Northwestern Arizona. <em>Western North American Naturalist.</em> 76(1): 72-81., available online at https://doi.org/10.3398/064.076.0108
page(s): 74-79, figs. 2-4. [details]