Hyphessobrycon langeanii Lima & Moreira (2003) .

Paratypes: 1 lot, 5 specimens; DZSJRP 5467, 28.7–34.0 mm SL, córrego Mosquito, Km 476.3 of Ferronorte railroad, upper rio Araguaia basin, Alto Araguaia, Mato Grosso, Brazil, 17°25’8”S, 53°13’60”W, cols. C.R. Moreira & F.C.T. Lima, 19 May 2001.