Original description as Lucania interioris:
- Hubbs, Carl Leavitt & R.R. Miller. 1965. "Studies of Cyprinodont fishes. XXII. Variation in Lucania parva, its establishment in western United States, and description of a new species from an interior basin in Coahuila, México". Miscellaneous Publications, Museum of Zoology, University of Michigan. (127):1-104 (ffm00209)
Conservation: Lucania interioris is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (CR) critically endangered (1996).