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 Lysobacterales Christensen and Cook 1978 (Approved Lists 1980) Family Lysobacteraceaeᵀ Christensen and Cook 1978 (Approved Lists 1980) Genus Pseudoxanthomonas Finkmann et al. 2000 Pseudoxanthomonas sacheonensis Lee et al. 2008