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 Podoviridae Subfamily Sepvirinae Genus Oslovirus 1 Escherichia virus 191 2 Escherichia virus PA2 3 Escherichia virus TL2011ᵀ 4 Shigella virus VASD