Phylum Euarthropoda Lankester, 1904 see [unranked] Euarthropoda
   Order †Bradoriida Raymond, 1935 - bradoriids
     Family †Cambriidae Lee, 1975
       Genus †Cambria Neckaja & Ivanova, 1956
         1 †Cambria danvizcainia
         2 †Cambria melnikovi
         3 †Cambria sibirica