Vertebrata Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
Count: [f†f] 7c;100o;734f; ‡2o;8f; †2c;109o;819f;10g [22 Aug 2017]
   Class Agnatha Cope, 1889 [paraphyletic]
  Count: [f†f] 2o;2f; †5o;37f;1g [22 Aug 2017]
     Subclass †Pteraspidomorphi Goodrich, 1909 see Class Pteraspidomorphi Goodrich, 1909
    Count: [†f] †2o;15f [27 Apr 2017]
       Order †Thelodontida see Order Thelodonti Jaekel, 1911
      Count: [†f] †5f [27 Apr 2017]
         Family †Turiniidae Obruchev, 1964 [monotypic]
        Count: [†*] †1g [30 Apr 2017]
           Genus †Turinia Traquair, 1896
          Count: -