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 Ortervirales
               Family Retroviridae
                 Subfamily Spumaretrovirinae
                   Genus Simiispumavirus
                     1.1 Squirrel monkey simian foamy virus
                     1.2.1 Spider monkey simian foamy virus
                     1.2.2.1 White-tufted-ear marmoset simian foamy virus
                     1.2.2.2 Yellow-breasted capuchin simian foamy virus
                     2.1 Bornean orangutan simian foamy virus
                     2.2.1.1 Western lowland gorilla simian foamy virus
                     2.2.1.2.1 Central chimpanzee simian foamy virus
                     2.2.1.2.2.1 Eastern chimpanzee simian foamy virusᵀ
                     2.2.1.2.2.2 Western chimpanzee simian foamy virus
                     2.2.2.1.1 Japanese macaque simian foamy virus
                     2.2.2.1.2.1 Rhesus macaque simian foamy virus
                     2.2.2.1.2.2.1 Taiwanese macaque simian foamy virus
                     2.2.2.1.2.2.2 Cynomolgus macaque simian foamy virus
                     2.2.2.2.1 Grivet simian foamy virus
                     2.2.2.2.2 Guenon simian foamy virus