最初的描述:
- Hubbs, Carl Leavitt. 1950. "Studies of cyprinodont Fishes. XX. A new subfamily from Guatemala, with ctenoid scales and a unilateral pectoral clasper". Miscellaneous Publications, Museum of Zoology, University of Michigan. (78):1-28 (ffm00046) (摘要)
标本品种: Xenodexia ctenolepis Hubbs, 1950 (original designation).