Typový druh
Rivulus robustus Miller & Hubbs, 1974.
Původní popis
Costa, W. J. E. M. 1995. Pearl killifishes. The Cynolebiatinae. Systematics and biogeography of the neotropical annual fish subfamily (Cyprinodontiformes: Rivulidae). 1995: 1-128.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2026. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.