Original description as Catostomus leopoldi:
ZooBank:7084CA39-8B25-49F1-8DB4-9D8CF4B640C8.
- Siebert, Darrell J & W.L. Minckley. 1986. "Two new catostomid fishes (Cypriniformes) from the northern Sierra Madre Occidental of Mexico". American Museum Novitates. (2849):1-17 (ffm00373)
Conservation: Catostomus leopoldi is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (VU) vulnerable (2018).