Check List of the Freshwater Fishes of Uruguay (CLOFF-UY). Author Litz, Thomas O. Author The, Stefan Koerber Introduction text Ichthyological Contributions of PecesCriollos 2014 2014-05-30 28 1 40 journal article 10.5281/zenodo.11558256 1868-3703 11558256 O. humensis de Buen, 1953 NT synonym Odontesthes guazu de Buen, 1953 type localities guazu : Río Uruguay , Salto humensis : Río Negro