Original description as Lacantunia enigmatica:
- Rodiles-Hernández, Rocio. 2005. "Lacantunia enigmatica (Teleostei: Siluriformes) a new and phylogenetically puzzling freshwater fish from Mesoamerica". Zootaxa. (1000):1-24 (ffm00562) (abstract)
Conservation: Lacantunia enigmatica is not evaluated by the international union for the conservation of nature in the iucn red list of threatened species.