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" ["RNA viruses"] 1 ["positive stranded ssRNA viruses"] 1.0 ["+ve stranded ssRNA"] see [unranked] positive stranded ssRNA viruses 1.0 ["positive-sense ssRNA viruses"] see [unranked] positive stranded ssRNA viruses 1.02.0 ["naked RNA viruses"] see Family Narnaviridae 2 ["negative stranded ssRNA viruses" [monotypic]] 2.0 ["-ve stranded ssRNA"] see [unranked] negative stranded ssRNA viruses 2.0 ["negative-sense ssRNA viruses"] see [unranked] negative stranded ssRNA viruses 3 ["dsRNA viruses"]