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" ["DNA viruses"] ["ssDNA viruses"] [Genus Anellovirus] see Family Anelloviridae 1 [Torque teno virusᵀ]