"[Pisces]" Class Actinopterygii Woodward, 1891 - ray-finned fishes Order Anguilliformes Rafinesque, 1810 - eels Family Synaphobranchidae Johnson, 1862 - cutthroat eels 1 Subfamily Ilyophinae - arrowtooth eels 1.0 Subfamily Dysommatinae see Subfamily Ilyophinae 2 Subfamily Synaphobranchinae - cutthroat eels 3 Subfamily Simenchelyinae - pugnose eels