uniodon, Dinotopterygium Frainer [G.], Carvalho [F. R.], Bertaco [V. A.] & Malabarba [L. R.] 2021:5, Figs. 3, 5A [Systematics and Biodiversity v. 19 (no. 8); ref. 38777] Tributary of corrego Ave Maria at 14 km north of Cavalcante, upper rio Tocantins basin, municipality of Cavalcante, Goiás State, Brazil, 13°40'42"S, 47°28'22"W. Holotype: MZUSP 125875. Paratypes: MCN, MZUSP, UFRGS. •Valid as Dinotopterygium uniodon Frainer, Carvalho, Bertaco & Malabarba 2021. Current status: Valid as Dinotopterygium uniodon Frainer, Carvalho, Bertaco & Malabarba 2021. Characidae: Stethaprioninae. Distribution: South America: Rio das Almas drainage, rio Paranã basin, upper Araguaia-Tocantins system, Goiás State, Brazil. Habitat: freshwater.