Chordata Bateson, 1885 - chordates Class Elasmobranchii Bonaparte, 1838 see Infraclass Elasmobranchii Bonaparte, 1838 Subclass Selachii see Division Selachii Order Batoidei see Order Batoidea Suborder Masticura (Gill, 1872) Family Mobulidae Gill, 1893 - mantas