living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Status: extant
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
  Status: extant
     Kingdom Animalia Linnaeus, 1758 - animals
    Status: extant
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
      Status: extant
         Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
        Status: extant
           Class Cestoda - tapeworms see Infraclass Cestoda
          Status: extant
             Subclass Eucestoda - eucestodes see [unranked] Eucestoda
            Status: extant
               Order Cyclophyllidea Lankester, 1877
              Status: extant
                 Family Tetrabothriidae Linton, 1891
                Status: extant
                   Genus Priapocephalus Nybelin, 1922
                  Status: extant