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 Eoacanthocephala Van Cleave, 1936
             Order Neoechinorhynchida Southwell & Macfie, 1925
               Family Neoechinorhynchidae Van Cleave, 1919
                 Subfamily Neoechinorhynchinae Ward, 1917
                   01 Genus Neoechinorhynchus Hamann, in Stiles & Hassall, 1905
                   02 Genus Hebesoma Van Cleave, 1928
                   03 Genus Dispiron Bilqees, 1970
                   04 Genus Hexaspiron Dollfus & Golvan, 1956
                   05 Genus Gorytocephalus Nickol & Thatcher, 1971
                   06 Genus Paulisentis Van Cleave & Bangham, 1950
                   07 Genus Ceylonechinorhynchus see Genus Zeylonechinorhynchus Fernando & Furtado, 1963
                   08 Genus Octospinifer Van Cleave, 1919
                   09 Genus Octospiniferoides Bullock, 1957
                   10 Genus Microsentis Martin & Multani, 1966