Pyrgulopsis pecosensis

Taylor, D.W. 1987. Fresh-water Molluscs from New Mexico and Vicinity. New Mexico Bureau of Mines and Mineral Resources. Bulletin 116. 50pp.

Franklin, A. 2015. Benthic invertebret SGCN data. New Mexico Environment Department.

• Hyalella azteca
• Musculium transversum
• Pyrgulopsis pecosensis

Lang, B. 2002. Status of Aquatic Mollusks of New Mexico. Completion Report to U.S. Fish and Wildlife Service, Section 6 E-20-9. New Mexico Department of Game and Fish. Santa Fe, New Mexico. 36 p.

Mehlhop, P. 1993. Establishment of a rare mollusc inventory and monitoring program for New Mexico. Unpubl. progress report, year II, to New Mexico Department of Game and Fish. Contract no. 80-519-52, amendment 1.

Lang, B.K. 2009. Macroinvertebrates of Bitter Lake National Wildlife Refuge. Report to U.S. Fish and Wildlife Service, Section 6 E-56-6. 25p.

• Assiminea pecos
• Koster's springsnail
• Pyrgulopsis roswellensis
• Pyrgulopsis pecosensis
• Tryonia kosteri
• Pyrgulopsis chupaderae
• Pyrgulopsis gilae
• Pyrgulopsis thermalis

Lang, B.K. 2010. Macroinvertebrates of Bitter Lake National Wildlife Refuge. Report to U.S. Fish and Wildlife Service, Section 6 E-56-7. 39p.

• Assiminea pecos
• Tryonia kosteri
• Pyrgulopsis roswellensis
• Pyrgulopsis pecosensis
• Pyrgulopsis chupaderae
• Pyrgulopsis gilae
• Pyrgulopsis thermalis

Myers, Marilyn. 2005. Interagency working list of species of concern for invertebrates. 2005.

Lang, B.K. 1998. Status of Aquatic Mollusks of New Mexico, Performance Report to the U.S. Fish and Wildlife Service, Section 6 E-20-6. New Mexico Department of Game and Fish, 88 pp.

Lang, B.K. 2011. Macroinvertebrates of Bitter Lake National Wildlife Refuge. Final report to U.S. Fish and Wildlife Service, Section 6 E-56-7(2). 89p.

• Pyrgulopsis thermalis
• Pyrgulopsis gilae
• Pyrgulopsis chupaderae
• Pyrgulopsis pecosensis
• Pyrgulopsis roswellensis
• Tryonia kosteri

Lang, B.K. 2006. Macroinvertebrates of Bitter Lake National Wildlife Refuge. Report to U.S. Fish and Wildlife Service, Section 6 E-56-4. 59p.

• Assiminea pecos
• Pyrgulopsis pecosensis
• Pyrgulopsis chupaderae
• Pisidium sanguinichristi