Megalamphodus eques – comb.nov. from Hyphessobrycon

Psalidodon saguazu – comb.nov. from Astyanax

Psalidodon togoi – comb.nov. from Hyphessobrycon

Engraulisoma taeniatum – first record from Uruguay

Xyliphius barbatus – not a species from Uruguay

Osteogaster aenea – comb.nov. from Corydoras

Gastrodermus undulatus – comb.nov. from Corydoras

Gastrodermus hastatus – comb.nov. from Corydoras

Hoplisoma longipinne – comb.nov. from Corydoras

Hoplisoma paleatum – comb.nov. from Corydoras