Costa, WJEM 1989. Description of a genus and two new species of annual fishes from the center of South America (Cyprinodontiformes, Rivulidae).Communications from the Museum of Sciences of the Pontifical Catholic University of Rio Grande do Sul, PUCRS, Zoological Series 2 (10): 191-202, figs., Table, photos. [Description: pp. 193-195]
Type species: Cynolebias xavantei Costa, Lacerda, & Tanizaki, 1988b, by original designation.