Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Pisces Class Actinopterygii Woodward, 1891 - ray-finned fishes Order Lampriformes - opahs see Order Lampridiformes Goodrich, 1909, orth. inval. Family Trachipteridae - ribbonfishes