pirapuan, Astyanax Tagliacollo [V. A.], Britzke [R.], Silva [G. S. C.] & Benine [R. C.] 2011:41, Figs. 1-2 [Zootaxa No. 2749; ref. 31138] Rio Aricá-Mirim, Rio Cuiabá basin, 15°46'04"S, 55°30'44'W, Chapada dos Guimarães, Mato Grosso State, Brazil. Holotype: MNRJ 37621. Paratypes: LBP 5662 (10, 2 c&s); MNRJ 29315 (25), 29357 (4), 37622 (9). Plus non-type material. •Valid as Astyanax pirapuan Tagliacollo, Britzke, Silva & Benine 2011 -- (Oliveira et al. 2013:292 [ref. 32756], Ingenito & Duboc 2014:282 [ref. 33374], da Graça et al. 2017:13 [ref. 35556], Oliveira et al. 2017:180 [ref. 35587]). Current status: Valid as Astyanax pirapuan Tagliacollo, Britzke, Silva & Benine 2011. Acestrorhamphidae: Acestrorhamphinae. Distribution: Rio Cuiabá basin, Chapada dos Guimarães, Mato Grosso, Brazil. Habitat: freshwater.