Original description as Cyprinodon atrorus:
ZooBank:6F42A22E-1F03-479A-B34B-52D5008556C7.
- Miller, Robert Rush. 1968. "Two new fishes of the genus Cyprinodon, from the Cuatro Cienegas basin, Coahuila, Mexico". Occasional Papers of the Museum of Zoology, University of Michigan. (659):1-15 (ffm00173)
Conservation: Cyprinodon atrorus is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (LC) least concern (1996).