Scleronema ibirapuita – first record from Uruguay

Scleronema minutum is a sr. synonym of Pygidium angustirostris

Scleronema operculatum – not a species from Argentina or Uruguay

Oligosarcus hepsetus – not a species from Argentina or Uruguay

Moenkhausia forestii – first record from Argentina

Moenkhausia australis – confirmed for Argentina

Psalidodon anisitsi comb.nov. from Hyphessobrycon