Considered a synonym of Cyprinodon variegatus Lacepède, 1803
- Lazara, K.J. 2001. "The killifishes, an annotated checklist, synonymy, and bibliography of recent oviparous Cyprinodontiform fishes". The killifish master index. 4:1-624 (ffm00080)
Original description as Lebia ellipsoidea:
- Lesueur, Charles-Alexander. 1821. "Description of a new genus, and of several new species of fresh water fish indigenous to the United States". Journal of the Academy of Natural Sciences, Philadelphia. 2:2-8 (ffm00005)