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 Myoviridae
                 Subfamily Eucampyvirinae
                   1 Genus Firehammervirus
                   1.0 [Genus Cp220virus] see Genus Firehammervirus
                   2 Genus Fletchervirus
                   2.0 [Genus Cp8virus] see Genus Fletchervirus