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] Domain Bacteria Woese et al. 1990 [paraphyletic?] Phylum "Deltaproteobacteria" Kuever et al., 2006 [polyphyletic] Class Deltaproteobacteriaᵀ Kuever et al. 2006 Order Bdellovibrionales Garrity et al. 2006 Family Bdellovibrionaceaeᵀ Garrity et al. 2006 Genus Bdellovibrioᵀ Stolp and Starr 1963 (Approved Lists 1980) Bdellovibrio exovorus Koval et al. 2013