After studying 63 Procamallanus samples recovered from Brazilian freshwater fishes, the authors in this third article on the subject propose two new species: Procamallanus Spinocamallanus) pexatus from Pygidium brasiliensis (Reinh.) and Procamallanus (Procamallanus) peraccuratus from Geophagus brasiliensis (Quoy & Gmard.) and Cichlasoma facetum (Jenyns) (Cichlaurus facetus) as well as consider Procamallanus (Spirocamallanus) probus Pinto & Fernandes, 1972, synonym of Procamallanus (Spirocamallanus) inopinatus Travassos, Artigas & Pereira, 1928, after rechecking the type amount of the former. They also affix an unidentified sample as Procamallanus (Spirocamallanus) sp.