Ctenobrycon kennedyi – comb.nov. from Psellogrammus

Psalidodon alleni – comb.nov. from Astyanax

Psalidodon dissimilis – comb.nov. from Astyanax

Psalidodon saguazu – comb.nov. from Astyanax

Psalidodon togoi – comb.nov. from Hyphessobrycon

Piabarchus stramineus – comb.nov. from Bryconamericus

Leporinus tigrinus – first record from Argentina

Engraulisoma taeniatum – first record from Uruguay

Xyliphius barbatus – not a species from Uruguay

Leporinus inexpectatus – first record from Paraguay