Hoplisoma micracanthus – comb.nov. from Corydoras

Hoplisoma paleatum – comb.nov. from Corydoras

Hoplisoma petracinii – comb.nov. from Corydoras

Hoplisoma polystictum – comb.nov. from Corydoras

Hypostomus 4x – not from Argentina

Hypostomus luteus – first record from Argentina

Argolebias adrianae – sp.nov. from Argentina

Sturisoma barbatum is a sr. synonym of S. robustum

Diplomystes viedmensis – comb.nov. from Olivaichthys

Trichomycterus puna – sp.nov. from Argentina