"[Pisces]" Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020] Order Characiformes Goodrich, 1909 - characins Family Characidae Latreille, 1825 - characids Subfamily Stethaprioninae Eigenmann, 1907 - discus tetras