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Armbruster, J.W. and de Souza, L.S. 2005. Hypostomus macushi, a new species of the Hypostomus cochliodon group (Siluriformes: Loricariidae) from Guyana. Zootaxa. 920, 1 (Mar. 2005), 1–12. DOI:https://doi.org/10.11646/zootaxa.920.1.1.