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 "Alphaproteobacteria" Garrity et al., 2006 [monotypic] Class Alphaproteobacteriaᵀ Garrity et al. 2006 Order Rhizobiales Kuykendall 2006 Family Rhizobiaceaeᵀ Conn 1938 (Approved Lists 1980) [Genus Chelatobacter Auling et al. 1993] see Genus Aminobacter Urakami et al. 1992 1 [Chelatobacter heintziiᵀ Auling et al. 1993] see Aminobacter aminovorans (den Dooren de Jong 1926) Urakami et al. 1992