Typový druh
Pterolebias xiphophorus Tomerson & Taphorn, 1992.
Původní popis
Costa, W. J. E. M. 1998. Phylogeny and classification of Rivulidae revisited: origin and evolution of annualism and miniturization in rivulid fishes (Cyprinodontiformes: Aplocheiloidei). J. Comp. Biol. v. 3 (no. 1): 33-92.