Phylum †Lobopodia Snodgrass, 1938 - lobopodians
   Class †Xenusia Dzik & Krumbiegel, 1989 - xenusians
     Order †Xenusiida Dzik & Krumbiegel, 1989
       Family †Onychodictyidae Hou & Bergström, 1995
         Genus †Onychodictyon Hou, Ramsköld & Bergström, 1991
           1 †Onychodictyon feroxᵀ Hou, Ramsköld & Bergström, 1991
           2 †Onychodictyon gracilis Liu et al. 2008