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"
             Realm Riboviria
               Phylum Negarnaviricota
                 Subphylum Haploviricotina
                   Class Monjiviricetes
                     Order Mononegavirales
                       Family Paramyxoviridae
                         Subfamily Avulavirinae
                           Genus Metaavulavirus
                             1.1.1 Avian metaavulavirus 14
                             1.1.2 Avian metaavulavirus 5
                             1.2 Avian metaavulavirus 6
                             2.1 Avian metaavulavirus 7
                             2.2.1 Avian metaavulavirus 11
                             2.2.2.1 Avian metaavulavirus 15
                             2.2.2.2.1.1 Avian metaavulavirus 10
                             2.2.2.2.1.2 Avian metaavulavirus 2ᵀ
                             2.2.2.2.2.1 Avian metaavulavirus 8
                             2.2.2.2.2.2 Avian metaavulavirus 20