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 Sorangiineae corrig. Reichenbach 2007
                     Family Polyangiaceaeᵀ Jahn 1924 (Approved Lists 1980)
                       1 Genus Polyangiumᵀ Link 1809 (Approved Lists 1980)
                       2 Genus Byssovorax Reichenbach 2006 [monotypic]
                       3 Genus Chondromyces Berkeley and Curtis 1874 (Approved Lists 1980)
                       4 Genus "Haploangium"
                       5 Genus Jahnella corrig. Reichenbach 2007 [monotypic]
                       6 Genus Sorangium (ex Jahn 1924) Reichenbach 2007 [monotypic]