Chordata Bateson, 1885 - chordates Class Elasmobranchii Bonaparte, 1838 see Subclass Elasmobranchii Bonaparte, 1838 Subclass Selachii see Subdivision Selachii Order Batoidei see Order Batoidea Suborder Masticura (Gill, 1872) Family Rhinopteridae Jordan & Evermann, 1896 see Subfamily Rhinopterinae (Jordan & Evermann, 1896)