Chordata Bateson, 1885 - chordates
   Class Elasmobranchii Bonaparte, 1838 see Infraclass Elasmobranchii Bonaparte, 1838
     Subclass Selachii see Division Selachii
       Order Batoidei see Order Batoidea
         Suborder Sarcura
           72 Family Pristidae Bonaparte, 1835 - sawfishes
           73 Family Rhinidae Müller & Henle, 1841 - bowmouth guitarfishes
           74 Family Rhinobatidae Bonaparte, 1835 - guitarfishes
           75 Family †Asterodermidae Bonaparte, 1850
           76 Family Platyrhinidae Jordan, 1923 - thornbacks
           77 Family Rajidae Blainville, 1816 - hardnose skates
           78 Family †Arthropteridae Jordan, 1905, nom. illeg. [monotypic] see Family Arthrobatidae Greenfield, 2024