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 Polyploviricotina Class Insthoviricetes [monotypic] Order Articulavirales Family Orthomyxoviridae 1 Genus Isavirus [monotypic] 2.1 Genus Quaranjavirus 2.2.1 Genus Thogotovirus 2.2.2.1.1 Genus Deltainfluenzavirus [monotypic] 2.2.2.1.2 Genus Gammainfluenzavirus [monotypic] 2.2.2.2.1 Genus Betainfluenzavirus [monotypic] 2.2.2.2.2 Genus Alphainfluenzavirus [monotypic]