Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
Count: [f†f] 7c;100o;734f; ‡2o;8f; †2c;109o;819f;10g [22 Aug 2017]
   Gnathostomata
  Count: [f†f] 6c;98o;732f; ‡2o;8f; †2c;104o;782f;9g [22 Aug 2017]
     Class Chondrichthyes Huxley, 1880 - cartilaginous fishes
    Count: [f†f] 4o;41f; †13o;33f [19 May 2017]
       Order †Iniopterygiformes Zangerl & Case, 1973
      Count: [†f] †2f [19 May 2017]
         1 Family †Iniopterygidae Zangerl & Case, 1973
        Count: -
         2 Family †Sibyrhynchidae Zangerl & Case, 1973
        Count: -