HERSHLER, R.; LIU, H.-P. New species and records of Pyrgulopsis (Gastropoda: Hydrobiidae) from the Snake River basin, southeastern Oregon: further delineation of a highly imperiled fauna. Zootaxa, Auckland, New Zealand, v. 2006, n. 1, p. 1–22, 2009. DOI: 10.11646/zootaxa.2006.1.1. Disponível em: https://www.mapress.com/zt/article/view/zootaxa.2006.1.1. Acesso em: 3 may. 2025.