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