Gastrocopta dalliana dalliana
Lang, B.K. 1999. Status and Distribution of Terrestrial Snails in Southern New Mexico. Performance Report to U.S. Fish and Wildlife Service, Section 6 E-36-4. 53 p.
Lang, B. 2000. Status and distribution of terrestrial snails of Southern New Mexico, Completion Report. Santa Fe: Endangered Species Program, Conservation Services Division, New Mexico Department of Game and Fish. Project Number: E-36(1-5).
Lang, B. 1999. Status and distribution of terrestrial snails of southern New Mexico. Unpubl. performance report by NM Dept. of Game and Fish, Santa Fe, NM. 53 p.
Lang, B.K. 2000. Status and Distribution of Terrestrial Snails in Southern New Mexico. Completion Report to U.S. Fish and Wildlife Service, Section 6 E-36-5. 204 p.
Metcalf, Artie L and Smartt, Richard A. 1997. Land Snails of New Mexico. Bulletin to New Mexico Museum of Natural History and Science. 145 p.