Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [[crown] organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           [Kingdom Protista (Haeckel, 1866) - protists]
             [Phylum Protozoa (Goldfuss, 1818) C.T. von Siebold, 1854] see Kingdom Protozoa Goldfuss, 1818
               [Subphylum Sarcomastigophora] see Phylum Sarcomastigophora Honigberg & Balamuth, 1963
                 [Class Sarcodina]
                   [Subclass Actinopoda Calkins, 1902] see Phylum Actinopoda Calkins, 1902
                     [Order Radiolaria Müller, 1858] see Phylum Actinopoda Calkins, 1902
                       [Genus "Actinospherium" Lankester, 1877, nom. null.] see Genus Actinosphaerium Stein, 1857
                       Genus Lamprocyclase
                       [Genus "Sphærozoon" Lankester, 1877, nom. null.] see Genus Sphaerozoum Meyen, 1834
                       2 [Suborder Phaeodaria Haeckel, 1879] see Subclass Phaeodaria Haeckel, 1879
                       3 [Suborder Acantharia] see Class Acantharea Haeckel, 1881