living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Acanthocephala Kohlreuther, 1771 - acanthocephalans see [unranked] Acanthocephala Kohlreuther, 1771
           Class Palaeacanthocephala (Meyer, 1931)
             Order Echinorhynchida Southwell & Macfie, 1925
               Family Illiosentidae Golvan, 1960
                 1 Genus Illiosentis Van Cleave & Lincicome, 1939
                 2 Genus Indorhynchus Golvan, 1969
                 3 Genus Metarhadinorhynchus Yamaguti, 1959
                 4 Genus Dentitruncus Sinzar, 1955
                 5 Genus Telosentis Van Cleave, 1923
                 6 Genus Dollfusentis Golvan, 1969
                 7 Genus Tegorhynchus Van Cleave, 1920
                 8 Genus Pseudorhadinorhynchus Achmerov & Achmerova, 1941