Trachycorystes

Trachycorystes is a genus of driftwood catfishes found in tropical South America.

Species
There are currently four described species in this genus:
 * Trachycorystes cratensis A. Miranda-Ribeiro, 1937
 * Trachycorystes menezesi Britski & Akama, 2011
 * Trachycorystes porosus C. H. Eigenmann & R. S. Eigenmann, 1888
 * Trachycorystes trachycorystes (Valenciennes, 1840) (Black catfish)