Rivulus riograndensis
Rivulus riograndensis Costa & Lanés, 2009 Costa, W.J.E.M. & Lanés, L.E.K. (2009): Rivulus riograndensis, a new aplocheiloid killifish from southern Brazil (Cyprinodontiformes: Rivulidae). Ichthyological Exploration of Freshwaters, 20 (1): 91-95.