Natura - nature actualia - actual entities Mundus Plinius - physical world naturalia - natural bodies [crown] Clade Biota J.R. Wagner, 2004 [J. Wiemann et al., 2020] ?"viruses" Realm Riboviria ICTV, 2018b Phylum Negarnaviricota ICTV, 2018a Subphylum Haploviricotina ICTV, 2018a Class Monjiviricetes ICTV, 2018a Order Jingchuvirales ICTV, 2018a [monotypic] Family Chuviridae ICTV, 2018a [monotypic] Genus Mivirus Imjin mivirus