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 298680 10.5281/zenodo.11558256 594e7124-0795-47a4-8288-ebb38ef462e7 1868-3703 11558256 S. calliurus (Boulenger, 1900) N original Chirodon calliurus first record Nion et al. (2002) remarks in N sub Serrapinnus piaba Malabarba (2003) mentions a distribution for S. calliurus in Uruguay , while he restricts S. piaba to the Sao Francisco basin. Therefore we assume that S. calliurus is the species found in Uruguay and referred to by N.