Phylum Chordata Bateson, 1885 - chordates
Count: -
   Subphylum Vertebrata Cuvier, 1812 - vertebrates
  Count: -
     Pisces
    Count: [*] 5c58o469f; †4c41o87f
       Class Actinopterygii Woodward, 1891 - ray-finned fishes
      Count: -
         Order Gymnotiformes Rafinesque, 1810 - American knifefishes
        Count: -
           Family Gymnotidae Rafinesque, 1815 - nakedback knifefishes
          Count: -