Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Pisces Class Actinopterygii Woodward, 1891 - ray-finned fishes Order Scorpaeniformes Bloch, 1789 - mail-cheeked fishes Family Comephoridae - Baikal oilfishes