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 Polycystina Ehrenberg, 1838 see Class Polycystinea Ehrenberg, 1838
                 Order Spumellarida see Order Spumellaria Ehrenberg, 1875
                   Suborder Sphaerocollina
                     Genus Collozoum Haeckel, 1862
                     Genus Sphaerozoum Meyen, 1834
                     1 Family Thalassicollidae Haeckel, 1862
                     2 Family Physematidae see Family Thalassicollidae Haeckel, 1862
                     3 Family Orosphaeridae Haeckel, 1887
                     4 Family Thalassothamnidae Haecker, 1906
                     5 Family Bathysphaeridae
                     6 Family Thalassophysidae see Family Sphaerozoidae Haeckel, 1862
                     7 Family Sphaeroidae
                     8 Family Collosphaeridae Müller, 1858
                     9 Family Centrocollidae