Vermeulen, F.B.M. (2013): Four new species of Rivulus Poey, 1860, subgenus Cynodonichthys Meek, 1904 (Teleostei: Cyprinodontiformes: Rivulidae) from the Magdalena River Basin, Central Colombia, including notes on Rivulus (Cynodonichthys) elegans Steindachner, 1880.
Rivulus azurescens Vermeulen, 2013
Rivulus pivijay Vermeulen, 2013
Rivulus ribesrubrum Vermeulen, 2013
Rivulus xi Vermeulen, 2013
Killi-Data Series, 2013: 42-63.