Chasmocranus

Chasmocranus is a genus of three-barbeled catfishes native to South America.

Species
There are currently 10 recognized species in this genus:
 * Chasmocranus brachynemus A. L. Gomes & Schubart, 1958
 * Chasmocranus brevior C. H. Eigenmann, 1912
 * Chasmocranus chimantanus Inger, 1956
 * Chasmocranus longior C. H. Eigenmann, 1912
 * Chasmocranus lopezi P. Miranda-Ribeiro, 1968
 * Chasmocranus peruanus C. H. Eigenmann & N. E. Pearson, 1942
 * Chasmocranus quadrizonatus N. E. Pearson, 1937
 * Chasmocranus rosae C. H. Eigenmann, 1922
 * Chasmocranus surinamensis (Bleeker, 1862)
 * Chasmocranus truncatorostris Borodin, 1927