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 Ackermannviridae Subfamily Cvivirinae Genus Kuttervirus 1 Escherichia virus CBA120ᵀ 2 Escherichia virus PhaxI 3 Salmonella virus 38 4 Salmonella virus Det7 5 Salmonella virus GG32 6 Salmonella virus PM10 7 Salmonella virus SFP10 8 Salmonella virus SH19 9 Salmonella virus SJ3