Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         [crown] Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           ?"viruses"
             Order Caudovirales
               Family Podoviridae
                 Genus Litunavirus
                   1 Pseudomonas virus Ab09
                   2 Pseudomonas virus LIT1ᵀ
                   3 Pseudomonas virus PA26