Thrissobrycon Böhlke, 1953b

This genus, composed only of Thrissobrycon pectinifer Böhlke, was included in the Aphyoditeina by Géry (1973). This author mentioned that the clupeoid mouth of this genus resembles that of Leptobrycon and Oxybrycon . This feature differentiates these three genera from the genera herein included in theAphyoditeinae.