Kingdom Animalia Linnaeus, 1758 - animals Phylum Craniata Linnaeus, 1758 see Subphylum Vertebrata Cuvier, 1812 Pisces Class Actinopterygii Woodward, 1891 - ray-finned fishes Order Ophidiiformes Rafinesque, 1810 - cusk-eels 1 Family Ophidiidae Jordan & Evermann, 1898 - cuskeels 2 Family Carapidae Jordan & Fowler, 1902 - pearlfishes 3 Family Bythitidae Gill, 1861 - livebearing brotulas 4 Family Aphyonidae - aphyonids 5 Family Parabrotulidae - false brotulas