Phylum Arthropoda Siebold, 1848 - arthropods
   Subphylum †Artiopoda Hou & Bergström, 1997
     Superclass †Vicissicaudata Ortega-Hernández, Legg & Braddy, 2013
       †Cheloniellida Broili, 1933
         1 Genus †Neostrabops Caster & Macke, 1952
         2.1 Genus †Cheloniellon Broili, 1932
         2.2.1 Genus †Triopus Barrande, 1872
         2.2.2 Genus †Duslia Jahn, 1893