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" Family Papillomaviridae 1 Subfamily Secondpapillomavirinae [monotypic] 2 Subfamily Firstpapillomavirinae 2.16.0 [Genus Papillomavirusᵀ] see Genus Kappapapillomavirus 2.26.0 [Genus "Omicronpapillomavirus"] see Genus Omikronpapillomavirus