Ancistrus karajas de Oliveira, Rapp Py-Daniel, Zawadzki & Zuanon, 2016: 75, fig. 4.

Paratype: 1 lot, 1 specimen —NUP 14587, 1, 35.8 mm SL: Brazil, Pará, Paraupebas, igarapé Alemão, rio Parauapebas, rio Tocantins basin, Floresta Nacional de Carajás, 06°00’34”S, 50°35’08”W, G.M. dos Santos, 17 Sept 2008 .