U.S. Fish and Wildlife Service. 2005. Endangered and threatened wildlife and plants; listing Roswell Springsnail, Koster's Springsnail, Pecos Assiminea, and Noel's Amphipod as endangered with critical habitat. Federal Register 50 CFR Part 17: RIN 1018-AI1

• Pyrgulopsis roswellensis
• Juturnia kosteri
• Assiminea pecos
• Gammarus desperatus
• endangered
• critical habitat designation