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 Protozoa Goldfuss, 1818 see Kingdom Protozoa Goldfuss, 1818
         Phylum Sarcomastigophora Honigberg & Balamuth, 1963
           Subphylum Sarcodina - amebas
             Superclass Actinopoda Calkins, 1902 - actinopodans see Phylum Actinopoda Calkins, 1902
               Class Acantharia Haeckel, 1881 see Class Acantharea Haeckel, 1881
                 Order Arthracanthida Schewiakoff, 1926
                   Suborder Sphaenacanthina see Suborder Sphaenacantha Schewiakoff, 1926
                     1 Family Acanthometridae Haeckel, 1887
                     2 Family Lithopteratidae see Family Lithopteridae Haeckel, 1887
                     3 Family Dorataspitidae see Family Dorataspidae Haeckel, 1887
                     4 Family Hexalaspitidae see Family Hexalaspidae Haeckel, 1887
                     5 Family Diplocontidae see Family Diploconidae Haeckel, 1887
                     6 Family Phractopeltatidae see Family Phractopeltidae Haeckel, 1887