最初的描述(命名) :
- 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)
模式物種: Cualac tessellatus Miller, 1956 (original designation).