Subphylum [Vertebrata] Cuvier, 1812 - vertebrates
Class Agnatha Cope, 1889
Subclass †Thelodonti Kiaer, 1932
Order †Thelodontiformes Kiaer, 1932
Family †Talivaliidae Märss, Wilson & Thorsteinsson, 2002
Genus †Glacialepis Märss, Wilson & Thorsteinsson, 2002 [monotypic]
1 †Glacialepis corpulentaᵀ Märss, Wilson & Thorsteinsson, 2002