Considerato un sinonimo junior di Poeciliopsis Regan, 1913
- Miller, Robert Rush. 1955. "A systematic review of the middle american fishes of the genus Profundulus". Miscellaneous Publications, Museum of Zoology, University of Michigan. (92):1-61 (ffm00606)
Descrizione originale:
- Hubbs, Carl Leavitt. 1926. "Studies of the fishes of the order Cyprinodontes. VI". Miscellaneous Publications, Museum of Zoology, University of Michigan. (16):1-86 (ffm04579)