organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Count: -
   Domain eukaryotes see Domain Eukaryota Chatton, 1925
  Count: 1k;12p;37c;157o;717f;2996g;586s; †2o;1g
     amoeboid protists
    Count: 2p;7c;40o;264f;1038g;3s; †2o
       Class Acantharea Haeckel, 1881
      Count: [g] 4o;18f;49g
         Order Arthracanthida Schewiakoff, 1926
        Count: [g] 9f;30g
           Suborder Sphaenacantha Schewiakoff, 1926
          Count: [g] 6f;20g
             1 Family Acanthometridae Haeckel, 1887
            Count: [g] 3g
             2 Family Dorataspidae Haeckel, 1887
            Count: [g] 11g
             3 Family Phractopeltidae Haeckel, 1887
            Count: [g] 1g
             4 Family Diploconidae Haeckel, 1887
            Count: [g] 1g
             5 Family Lithopteridae Haeckel, 1887
            Count: [g] 1g
             6 Family Hexalaspidae Haeckel, 1887
            Count: [g] 3g