denticulatus, Tetragonopterus Silva [G. S. C.], Melo [B. F.], Oliveira [C.] & Benine [R. C.] 2013:1617, Figs. 1, 2b, 3e [Journal of Fish Biology v. 82 (no 5); ref. 32576] Aragarças, Rio Araguaia, Amazon basin, 15°53'31.5"S, 52°15'01.0"W, Goiás, Brazil. Holotype: MZUSP 111002. Paratypes: LBP 1518 (5, 1 c&s), 1629 (1), 5751 (4, 1 c&s); MZUSP 88119 (2). •Valid as Tetragonopterus denticulatus Silva, Melo, Oliveira & Benine 2013 -- (Araujo & Lucinda 2014:314 [ref. 33377], Melo et al. 2015:711 [ref. 35424], Silva et al. 2016:31 [ref. 34929], Urbanski et al. 2018:[6] [ref. 35973]). Current status: Valid as Tetragonopterus denticulatus Silva, Melo, Oliveira & Benine 2013. Characidae: Tetragonopterinae. Distribution: Rio Tocantins basin, Brazil. Habitat: freshwater.