Subclass Actinopterygii Woodward, 1891 - ray-finned fishes see Class Actinopterygii Woodward, 1891 Order Anguilliformes Rafinesque, 1810 - eels Suborder Anguilloidei Rafinesque, 1810 Family Anguillidae Rafinesque, 1815 - freshwater eels Family Moringuidae Gill, 1885 - spaghetti eels