cholopteryx, Simpsonichthys Costa [W. J. E. M.], Moreira [C. R.] & Lima [F. C. T.] 2003:140, Figs. 1-2 [aqua, Journal of Ichthyology and Aquatic Biology v. 6 (no. 4); ref. 26946] Rio Araguaia basin, on road MT 100, 31 kilometers south of Alto Araguaia, 17°33'38.5"S, 53°18'33.1"W, Ribeirão do Sapo, Estado de Mato Grosso, Brazil. Holotype: MZUSP 78061. Paratypes: MZUSP 73323 (41), 73338 (16, 6 c&s); UFRJ 5428 (29). Name to be treated as a noun in apposition. •Valid as Simpsonichthys cholopteryx Costa, Moreira & Lima 2003 -- (Costa 2006:17 [ref. 28620], Costa & Brasil 2006:221 [ref. 28843], Costa 2007:200 [ref. 29338], Costa 2007:26 [ref. 29445], Costa 2012:314 [ref. 31750], Nielsen et al. 2017:166 [ref. 35304]). Current status: Valid as Simpsonichthys cholopteryx Costa, Moreira & Lima 2003. Rivulidae: Cynolebiinae. Distribution: Upper Araguaia River basin, Mato Grosso, central Brazil. Habitat: freshwater.