Třída: Actinopterygii - paprskoploutví
Řád: Cyprinodontiformes - halančíkovci
Čeleď: Goodeidae - gudeovití

Typový druh: Characodon variatus Bean, 1887

Reference: Hubbs, C. L. & C. L. Turner 1939. Studies of the fishes of the order Cyprinodontes. XVI. A revision of the Goodeidae. Misc. Publ. Mus. Zool. Univ. Mich. No. 42: 1-80, Pls. 1-5.

Přehled druhů

• Xenotoca eiseni (Rutter, 1896)
  Xenotoka červenoocasá
  Rutter, C. M. 1896. Notes on fresh water fishes of the Pacific slope of North America. II. The fishes of Rio Yaqui, Sonora, with the description of a new genus of Siluridae. Proc. Calif. Acad. Sci. (Ser. 2) v. 6: 255-262.
• Xenotoca melanosoma Fitzsimons, 1972
  Xenotoka tmavá
  Fitzsimons, J. M. 1972. A revision of two genera of goodeid fishes (Cyprinodontiformes, Osteichthyes) from the Mexican Plateau. Copeia 1972 (no. 4): 728-756.
• Xenotoca variata (Bean, 1887)
  Xenotoka zlatošupinná
  Bean, T. H. 1887. Descriptions of five new species of fishes sent by Prof. A. Dugès from the Province of Guanajuato, Mexico. Proc. U. S. Natl. Mus. v. 10 (no. 637): 370-375.

Statistické údaje

Počet druhů: 3