Subphylum [Vertebrata] Cuvier, 1812 - vertebrates
   Class Agnatha Cope, 1889
     Subclass †Thelodonti Kiaer, 1932
       Order †Phlebolepidiformes Berg, 1937
         Family †Katoporodidae Märss, Wilson & Thorsteinsson, 2002
           1 Genus †Goniporus Gross, 1967
           2 Genus †Katoporodusᵀ Turner & Peel, 1986
           3 Genus †Zuegelepis Turner, 1999
           4 Genus †Overia Soehn, Märss, Caldwell & Wilson, 2001