patronus, Ancistrus de Souza [L. S.], Taphorn [D. C.] & Armbruster [J. W.] 2019:39, Figs. 5B, 19-20 [Zootaxa 4552; ref. 36504] Ventuari River at mouth of Camoni creek, 145 km NNE of Macaruco, 189 km NE of San Fernando de Atabapo, Orinoco River Basin, Amazonas, Venezuela, 5.05588°, -66.32742°. Holotype: MCNG 56681 [ex AUM 39876]. Paratypes: ANSP, AUM, INHS, MCNG, UF. •Valid as Ancistrus patronus de Souza, Taphorn & Armbruster 2019. Current status: Valid as Ancistrus patronus de Souza, Taphorn & Armbruster 2019. Loricariidae: Hypostominae. Distribution: Upper río Orinoco from the río Cinaruco upstream and the río Casiquiare, Venezuela. Habitat: freshwater.