Pimelodidae Eigenmann & Eigenmann, 1918
Megalonema amaxanthum Lundberg & Dahdul, 2008
Megalonema argentinum (MacDonagh, 1938)
Megalonema orixanthum Lundberg & Dahdul, 2008
Megalonema pauciradiatum Eigenmann, 1919
Megalonema platanum (Günther, 1880)
Megalonema platycephalum Eigenmann, 1912
Megalonema psammium Schultz, 1944
Megalonema xanthum Eigenmann, 1912
