Template:Costa, 2010
- Costa, W.J.E.M. 2010. Two new species of the Rivulus urophthalmus group from the Tocantins and Xingu river drainages, eastern Brazilian Amazon (Cyprinodontiformes: Rivulidae). Ichthyological Exploration of Freshwaters 21(1): 79–85, 2 figs., 1 tab. Abstract (PDF).