Hypostomus melanephelis Zawadzki, Oliveira, de Oliveira & Rapp Py-Daniel, 2015: 51, fig. 1.

Paratypes: 1 lot, 2 specimens —NUP 14130, 2, 154.5– 166.3 mm SL: Brazil, Pará, Itaituba, Pimental village, rio Tapajós, just downstream of mouth of rio Jamanxim, rio Amazonas basin, 4°33’41”S, 56°15’50”W, L. Rapp Py-Daniel & J. Zuanon, 22 Oct 1991 .