Pyrgulopsis

U.S. Fish and Wildlife Service (USFWS). 1995. Category and Listing Priority Form.

• Tryonia
• Assiminea
• Pyrgulopsis

Mehlhop, P. 1992. Specimen catalog for Patricia Mehlhop.

• Pyrgulopsis

Hershler, R. and H. Liu. 2010. Genetic variation of threatened springsnails from the Gila River basin, New Mexico. Report to New Mexico Department of Game and Fish, 15 p.

• Pyrgulopsis
• Pyrgulopsis gilae
• Pyrgulopsis thermalis

Mehlhop, P.. 1992. Field notebooks.

• Pyrgulopsis