metazoans Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758
Count: 2p;1c;1o; †2p;7c;13f;25g;25s
   Bilateria Hatschek, 1888 - bilaterians see Subkingdom Bilateria Hatschek, 1888
  Count: 1p; †1p;3c;4f;10g;9s
     Phylum †Proarticulata Fedonkin, 1985
    Count: †1c;2f;1g;1s
       Class †Cephalozoa Ivantsov, 2004
      Count: †2f;1g;1s
         Family †Sprigginidae
        Count: -