The type species is Burchell's redfin (P. burchelli). The scientific name is derived from the Ancient Greek pseudes ("false") and the Latin word barbus ("beard", in reference to the barbels of barbs).
The type species is Burchell's redfin (P. burchelli), with a scientific name that originates from the Ancient Greek term for "false" and the Latin term for "beard," referring to the beard-like structures on barbs.