Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         "crystal-kingdom"
         "Lapideum Regnum" nom. inval. - mineral kingdom
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           1 ?"viruses"
           2 Domain Bacteria Woese et al. 1990 [paraphyletic?]
           2.n Clade neomura Cavalier-Smith, 1987