Perez, K. E. .; Leal, M. S. .; Glover, H. .; Chastain, R. T. .; Hutchins, B. T. .; Schwartz, B. .

Two New Species of Pyrgulopsis Call & Pilsbry, 1886 (Mollusca: Caenogastropoda: Hydrobiidae) from Springs in the Rio Grande Watershed in Texas

. Zootaxa 2021, 5071, 384-402.