Moenkhausia abyss Oliveira & Marinho, 2016: 568; fig. 1.

Paratypes: 1 lot, 5 specimens —NUP 7993, 9, 34.0–41.0 mm SL: Brazil, Pará, São Geraldo do Araguaia, rio Gameleira mouth, tributary of rio Araguaia, rio Tocantins-Araguaia drainage, 6°08’05”S, 48°23’34”W, Gerpel team, 2 May 2009 .