Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Pisces Class Actinopterygii Woodward, 1891 - ray-finned fishes Order Siluriformes Rafinesque, 1810 - catfishes Family Callichthyidae Bonaparte, 1838 - callichthyid armored catfishes