- Vermeulen, F.B.M. & Mejía-Vargas, D. (2020): Two new sympatric species of the aplocheiloid killifish genus Rivulus (s.l.) (Cyprinodontiformes: Rivulidae) from the Alto Rio Negro, Guainía Dpt., Colombia.
· Rivulus carolinae Vermeulen & Mejía-Vargas, 2020
· Rivulus flammaecaudaVermeulen & Mejía-Vargas, 2020