Descrizione originale:
- Miller, Robert Rush. 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. (581):1-17 (ffm00169)
Type species: Cualac tessellatus Miller, 1956 (original designation).
Elenco delle specie descritte (1):
valid: 1- Cualac tessellatus Miller, 1956 (valid)