Pseudocorynopoma stanleyi – first record from Uruguay

Oligosarcus robustus – first record from Uruguay

Aphyocharax rathbuni – first record from Uruguay

Hemiancistrus punctulatus – first record from Uruguay

Scleronema macanuda sp.nov. from Uruguay

Scleronema teiniagua sp.nov. from Uruguay

Scleronema ibirapuita – first record from Uruguay

Scleronema minutum is a sr. synonym of Pygidium angustirostris

Scleronema operculatum – not a species from Argentina or Uruguay