"[Pisces]"
   Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020]
     Order Gymnotiformes Gill, 1872 - Neotropical knifefishes
       1 Family Sternopygidae Cope, 1871 - glass knifefishes
       2 Family Apteronotidae Jordan, 1923 - ghost knifefishes
       3 Family Rhamphichthyidae Regan, 1911 - painted knifefishes
       4 Family Hypopomidae Eigenmann, 1912 - bluntnose knifefishes
       5 Family Gymnotidae Rafinesque, 1815 - gymnotid eels
       6 Family Electrophoridae Gill, 1872 - electric knifefishes see Subfamily Electrophorinae Gill, 1872