Fontoura, N. F., and M.-R. Conter. “Description of a New Subspecies of the Crayfish Parastacus brasiliensis (Von Martens, 1869) from Sao Francisco De Paula, RS, Brazil (Decapoda, Parastacidae)”. Zootaxa, vol. 1849, no. 1, Aug. 2008, pp. 28–34, doi:10.11646/zootaxa.1849.1.2.