Mirande, J. M., G. Aguilera, and M. D. Azpelicueta. “Astyanax Endy (Characiformes: Characidae), a New Fish Species from the Upper Río Bermejo Basin, Northwestern Argentina”. Zootaxa, vol. 1286, no. 1, Aug. 2006, pp. 57–68, doi:10.11646/zootaxa.1286.1.6.