living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Ref: S.P. Parker, 1982; Count: 4k;54p;156c;911o;7123f;17,575g;4762s;36ss;8v;19; ‡1f;6g;7s;1ss; †1c;10o;10f;19g;1s
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
  Ref: J.O. Corliss, 1982: 55; Count: [c] 2k;51p;154c;900o;7001f;17,209g;4300s;33ss;8v; ‡1f;6g;7s;1ss; †1c;10o;10f;19g;1s
     Kingdom Animalia Linnaeus, 1758 - animals
    Ref: W.J. Bock, 1982: 489-490; Count: [c] 38p;101c;595o;5766f;13,419g;3233s;32ss;3v; ‡1f;6g;7s;1ss; †1c;9o;10f;16g;1s
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
      Ref: W.J. Bock, 1982: 490, 667; Count: [c] 29p;70c;458o;5094f;11,476g;2933s;31ss;3v; ‡1f;6g;7s;1ss; †1c;8o;10f;11g;1s
         Phylum Echinodermata Bruguière, 1789 - echinoderms
        Ref: F.J. Fell, 1982: 785-786; Count: [f] 4c;36o;148f;291g;148s; †1f;1g
           Subphylum Echinozoa von Zittel, 1895 see Infraphylum Echinozoa Haeckel, in Von Zittell, 1895
          Ref: F.J. Fell, 1982: 804; Count: [f] 2c;21o;74f;156g;83s
             Class Echinoidea (Leske, 1778) - sea urchins and sand dollars
            Ref: F.J. Fell, 1982: 804-805; Count: 15o;48f;96g;53s
               Subclass Perischoechinoidea (M'Coy, 1849)
              Ref: F.J. Fell, 1982: 805; Count: [f] 1o;2f;1g;1s
                 Order Cidaroida Claus, 1880
                Ref: F.J. Fell, 1982: 805; Count: [f] 2f;1g;1s
                   Family Psychocidaridae Ikeda, 1936
                  Ref: F.J. Fell, 1982: 805; Count: [*] 1g;1s
                     Genus Psychocidaris Ikeda, 1935
                    Ref: F.J. Fell, 1982: 805; Count: [*] 1s
                       Psychocidaris ohshimai Ikeda, 1935
                      Ref: F.J. Fell, 1982: 805; Count: -