Chordata Bateson, 1885 - chordates Class Elasmobranchii Bonaparte, 1838 see Subclass Elasmobranchii Bonaparte, 1838 Subclass Selachii see Subdivision Selachii Order Batoidei see Order Batoidea Suborder Sarcura Family Rhinidae Müller & Henle, 1841 see Subfamily Rhininae