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 †Arthropteridae nom. illeg. [monotypic]
             Genus †Arthropterus Agassiz, 1843, nom. illeg. see Genus Arthrobatis Whitley, 1940