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 Myxococcales Tchan et al. 1948 (Approved Lists 1980)
                   Suborder Cystobacterineae Reichenbach 2007
                     Family Cystobacteraceaeᵀ McCurdy 1970 (Approved Lists 1980)
                       1 Genus Cystobacterᵀ Schroeter 1886 (Approved Lists 1980)
                       2 Genus Anaeromyxobacter Sanford et al. 2002 [monotypic]
                       3 Genus Archangium Jahn 1924 (Approved Lists 1980) [monotypic]
                       4 Genus Hyalangium Reichenbach 2007 [monotypic]
                       5 Genus Melittangium Jahn 1924 (Approved Lists 1980)
                       6 Genus Stigmatella Berkeley and Curtis 1875 (Approved Lists 1980)