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"
             Family Phycodnaviridae
               Genus Phaeovirus
                 1 Ectocarpus fasciculatus virus a
                 2 Ectocarpus siliculosus virus 1ᵀ
                 3 Ectocarpus siliculosus virus a
                 4 Feldmannia irregularis virus a
                 5 Feldmannia species virus
                 6 Feldmannia species virus a
                 7 Hincksia hinckiae virus a
                 8 Myriotrichia clavaeformis virus a
                 9 Pilayella littoralis virus 1