Typový druh
Cualac tessellatus Miller, 1956.
Původní popis
Miller, R. R. 1956. A new genus and species of cyprinodontid fish from San Luis Potosi, Mexico, with remarks on the subfamily Cyprinodontinae. Occasional Papers of the Museum of Zoology University of Michigan No. 581: 1-17, Pls. 1-2.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2026. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.