Subphylum [Vertebrata] Cuvier, 1812 - vertebrates
see Infraphylum Vertebrata Lamarck, 1801
Class Agnatha Cope, 1889
Subclass †Thelodonti Kiaer, 1932
Order †Phlebolepidiformes Berg, 1937
Family †Katoporodidae Märss, Wilson & Thorsteinsson, 2002
Genus †Overia Soehn, Märss, Caldwell & Wilson, 2001