Zawadzki, C.H., Oyakawa, O.T. & Britski, H.A. (2017)

Hypostomus velhochico, a new keeled Hypostomus Lacépède, 1803 (Siluriformes: Loricariidae) from the rio São Francisco basin in Brazil

. Zootaxa, 4344 (3), 560–572.