Zungaro jahu – Paulicea gigantea is an overlooked jr. synonym

Pseudostegophilus maculatus comb.nov. from Parastegophilus

Pimelodus argenteus is a sr. synonym of P. brevis

Megaleporinus obtusidens comb.nov. from Leporinus

Markiana nigripinnis is a sr. synonym of Tetragonopterus anomalus

Jenynsia lineata is a sr. synonym of J. multidentata

Hypostomus spiniger revalidated from synonymy with H. commersoni

Diapoma is a sr. synonym of Cyanocharax

Austrolebias bellottii is a sr. synonym of A. apaii

Astyanax lacustris is a sr. synonym of A. asuncionensis