Discus shimekii

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.

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.