Subclass †Heterostraci Lankester, 1868
   Family †Cyathaspididae Kiaer, 1932, nom. praeval.
     Subfamily †Anglaspidinae Kiaer, 1932
       1 Genus †Anglaspis Jaekel, 1927
       2.1 Genus †Liliaspis Novitskaya, 1972
       2.2 Genus †Paraliliaspis Novitskaya & Karatajute-Talimaa, 1994