Bean, T.H., 1891, "Notes on fishes collected in México", Procedures U.S. Natural Museum.

Meek, Seth Eugene, 1904, "The fresh water fishes of México north of the isthmus of Tehuantepec", Field Columbian Museum, Vol. V:1-252.

Miller, R.R. and J.N. Taylor, 1983 "Cichlid fishes (Genus Cichlasoma) of the Rio Pánuco Basin, eastern México, with description of a new species", Occasional papers of the Museum of Natural History, the University of Kansas 104; pp 1-24.

Regan, C. Tate, 1905. "A revision of the fishes of the American Cichild Genus Cichlosoma and of the Allied Genera". Ann. Mag. Nat. Hist. Ser 7(16): 60-77, 225-243, 432-445.

Velasquez Navarro, Carlos, 1984, "Rioverde, la ciudad y el valle", Ayuntamiento de Rioverde, S.L.P. pp:6-11.