Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Clade neomura Cavalier-Smith, 1987
             Suborder Sphaerellarina
               Superfamily Sphaeroidae
                 Tribe Centroaxoplastidiata
                   Family Spongosphaeridae
                     1 Subfamily Spongosphaerinaeᵀ
                     2 Subfamily Plegmosphaerinae
                     3 Subfamily Spongodryminae