Zawadzki, C.H., Oyakawa, O.T. and 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 (Nov. 2017), 560–572. DOI:https://doi.org/10.11646/zootaxa.4344.3.7.