Chordata
Arctaspis Heintz, 1929
Arctolepis Eastman, 1908
Buchanosteus Stensiö, 1945
Elegantaspis Heintz, 1929
Heterogaspis Strand, 1932
Huginaspis Heintz, 1929
Monaspis Heintz, 1929
Pageauaspis Denison, 1978
Phlyctaenaspis Traquair, 1890
Phlyctaenius Traquair, 1890
Tokolepis Young & Goujet, 2003
