Vertigo ovata
Unknown (1997) 1997 Snail Survey Report, Lincoln Supervisor's Office, Lincoln National Forest, USFS. 47 p.
Lang, B. K. 2000. Letter written to Mr. Makenzie of the Monticello Community Ditch Association, dated 23 June 2000.. NM Department of Game and Fish.. 9 p.
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.
Lang, B. 2000. Memorandum: Revision of 2000 Biennial Review Recommendation for Invertebrates. N.M. Department of Game and Fish Memorandum. 4 p.
Lang, B. 2003. Heritage rank status for the state of New Mexico on land snails. 1 p.