Original description as Cyprinodon nazas:
- Miller, Robert Rush & C.L. Hubbs. 1974. "Rivulus robustus, a new cyprinodontid fish from southeastern Mexico". Copeia. v. 1974(n. 4), pp. 865-869 (ffm00072)
Conservation: Cyprinodon nazas is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (1996).