Triportheinae
Triportheinae is a subfamily of freshwater ray-finned fishes belonging to the family Triportheidae, the hatchet characins or keeled characins. The fishes in this subfamily are found in South America.
Genera
Triportheinae has the following genera classified within it:The genus Lignonrycon is classified in this subfamily by some authorities, but others classify it in the subfamily Agoniatinae.