[Kingdom] Animalia Linnaeus, 1758 - animals
   Grade Enterozoa
     Grade Cœlomata
       Phylum Platyelmia
         Branch Suctoria
           Class Cestoidea - cestodes, tapeworms
             Order Caryophyllidea Lankester, 1877
               1 Genus Caryophyllæus Gmelin, 1790