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?] Superphylum "Proteobacteria" Craig et al. 2010 Phylum "Gammaproteobacteria" Garrity et al., 2005 [monotypic] Class Gammaproteobacteriaᵀ Garrity et al. 2005 Order Oceanospirillales Garrity et al. 2005 Family Halomonadaceae Franzmann et al. 1989 Genus Chromohalobacter Ventosa et al. 1989 Chromohalobacter beijerinckii (Hof 1935) Peçonek et al. 2006