Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Craniata Linnaeus, 1758 see Subphylum Vertebrata Cuvier, 1812
     Pisces
       Class Actinopterygii Woodward, 1891 - ray-finned fishes
         Order Siluriformes Rafinesque, 1810 - catfishes
           Family Mochokidae Jordan, 1923 - squeakers and upside-down catfishes