Ancistrus maximus de Oliveira, Zuanon, Zawadzki & Rapp Py-Daniel, 2015: 74, fig 1.

Paratype: 1 lot, 1 specimen —NUP 14588, 1, 189.8 mm SL: Brazil, Roraima, Rorainópolis, córrego Macoari, tributary to right side of rio Branco, 1°09’12.1”S, 61°50’40.8”W, A. Negrão da Silva & M.L. Picanço, 2 Nov 2005 .