Phylum Euarthropoda Lankester, 1904 see [unranked] Euarthropoda
   Order †Bradoriida Raymond, 1935 - bradoriids
     Family †Hipponicharionidae Sylvester-Bradley, 1961
       Genus †Acutobalteus Betts, Paterson, Jago, Jacquet, Skovsted, Topper & Brock, 2017