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 Caudovirales Family Siphoviridae Subfamily Tunavirinae 1.1.1 Genus Eclunavirus [monotypic] 1.1.2.1 Genus Sertoctavirus [monotypic] 1.1.2.2.1 Cronobacter virus Esp2949-1 1.1.2.2.2 Genus Tunavirus 1.2.1.1 Genus Webervirus 1.2.1.2 Genus Hanrivervirus [monotypic] 1.2.2 Genus Tlsvirus 2 Genus Rogunavirus [paraphyletic] 2.n Genus Rtpvirus