Subphylum [Vertebrata] Cuvier, 1812 - vertebrates Class Agnatha Cope, 1889 Subclass †Thelodonti Kiaer, 1932 Order †Thelodontiformes Kiaer, 1932 Family †Talivaliidae Märss, Wilson & Thorsteinsson, 2002 Genus †Talivaliaᵀ Märss, Wilson & Thorsteinsson, 2002 [monotypic] †Talivalia elongataᵀ (Karatajūtė-Talimaa, 1978)