Subphylum [Vertebrata] Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
Count: [†*] 2c; †5o;18f;32g;35s
   Class Agnatha Cope, 1889
  Count: [†*] †5o;16f;29g;33s
     1 Subclass †Thelodonti Kiaer, 1932
    Count: [†*] †5o;16f;29g;33s