Pyrgulopsis neomexicana

Lang, B.K. 1998. New Mexico Endangered Invertebrates: monitoring and management. Performance Report to U.S. Fish and Wildlife Service, Section 6 E-37-3. 47p.

• Thermosphaeroma thermophilum
• Tryonia alamosae
• Pyrgulopsis neomexicana

Lang, B.K. 1997. New Mexico Endangered Invertebrates: monitoring and management. Performance Report to U.S. Fish and Wildlife Service, Section 6 E-37-2. 7p.

• Pyrgulopsis neomexicana
• Tryonia alamosae
• Thermosphaeroma thermophilum

Lang, B.K. 2008. New Mexico Endangered Invertebrates: monitoring and management. Performance Report to U.S. Fish and Wildlife Service, Section 6 E-37-10. 73 p.

• Thermosphaeroma thermophilum
• Tryonia alamosae
• Pyrgulopsis neomexicana

U.S. Fish and Wildlife Service (USFW). 1991. Endangered and threatened wildlife and plants; final rule to list the Alamosa springsnail and the Socorro springsnail as endangered. Federal Register 58 (189): 49646-49649. 30 September 1991.

• Pyrgulopsis neomexicana
• Tryonia clamosae

Arritt, S. 1998. Imperiled Invertebrates. New Mexico Partners: Conserving endangered species. 3(1):8-16.