Class †Placodermi McCoy, 1848
   Order †Arthrodira Woodward, 1891 see [unranked] Arthrodira Woodward, 1891
     †Aspinothoracida see [unranked] Aspinothoracidi Stensiö, 1959
       Family †Selenosteidae Dean, 1901
         Genus †Driscollaspis Rücklin, Long & Trinajstic, 2015
           †Driscollaspis pankowskiorsum Boyle & Ryan, 2017, orth. inval. see Driscollaspis pankowskiorum Rücklin, Long & Trinajstic, 2015