Author: Taverne, 1971
The subgenera differ mainly in body depth, Brienomyrus (Brienomyrus) species being less deep, the pectoral fin does not extend as far back as in B. (Brevimyrus), which is also countershaded with dark back and lighter belly. Also the caudal fin
Subgenus Brienomyrus , Subgenus Brienomyrus (Brienomyrus) with 15 species.
Subgenus Brevimyrus , Subgenus Brienomyrus (Brevimyrus) with 1 species Brienomyrus niger