Hershler R, Liu H-P.

Two new, possibly threatened species of Pyrgulopsis (Gastropoda: Hydrobiidae) from southwestern California

. Zootaxa [Internet]. 2010 Jan. 25 [cited 2025 Apr. 3];2343(1):1–17. Available from: https://mapress.com/zt/article/view/zootaxa.2343.1.1