Subphylum [Vertebrata] Cuvier, 1812 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
   Class Agnatha Cope, 1889
     Subclass †Thelodonti Kiaer, 1932
       Order †Thelodontiformes Kiaer, 1932
         Family †Coelolepididae "Pander, 1856", nom. illeg. [monotypic] see Family Thelodontidae Jordan, 1905 (1856)
           1 Genus †Thelodus Agassiz, 1839