Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota J.R. Wagner, 2004 [J. Wiemann et al., 2020]
           1 ?"viruses"
           2 Domain Bacteria (Haeckel, 1894) C.R. Woese et al., 1990 [paraphyletic?]
           2.n Clade neomura T. Cavalier-Smith, 1987