Megalonema

Megalonema is a genus of long-whiskered catfishes native to South America.

==Species== There are currently seven recognized species in this genus: Megalonema amaxanthum Lundberg & Dahdul, 2008 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