Aquino, A. E. and Pérez, M. H. S. (2016) “Oxyropsis ephippia, a New Hypoptopomatine Catfish (Siluriformes: Loricariidae) from Guyana”, Zootaxa. Auckland, New Zealand, 4136(1), pp. 129–140. doi: 10.11646/zootaxa.4136.1.5.