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 Echinodermata Bruguière, 1789 - echinoderms
           Subphylum Echinozoa von Zittel, 1895 see Infraphylum Echinozoa Haeckel, in Von Zittell, 1895
             Class Holothuroidea (de Blainville, 1834) - sea cucumbers
               Subclass Aspidochirotacea
                 Order Aspidochirotida Brandt, 1835
                   Family Stichopodidae Haeckel, 1896
                     1 Genus Microthele Brandt, 1835
                     2 Genus Thelenota Brandt, 1835
                     3 Genus Stichopus Brandt, 1835
                     4 Genus Astichopus Clark, 1922
                     5 Genus Parastichopus Clark, 1922
                     6 Genus Isostichopus Deichmann, 1958