Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       naturalia - natural bodies
         Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
           Domain Bacteria Woese et al. 2024
             Kingdom Pseudomonadati (Gibbons and Murray 1978) Oren and Göker 2024
               Phylum Pseudomonadotaᵀ Garrity et al. 2021
                 Class Deltaproteobacteria Kuever et al. 2006
                   Order Myxococcalesᵀ Tchan et al. 1948 (Approved Lists 1980)
                     Family Archangiaceae Jahn 1924 (Approved Lists 1980)
                       Genus Cystobacter Schroeter 1886 (Approved Lists 1980)
                         01 Cystobacter armeniaca Reichenbach 2007
                         02 Cystobacter badius Reichenbach 2007
                         03 "Cystobacter disciformis"
                         04 Cystobacter ferrugineus (Krzemieniewska and Krzemieniewski 1927) McCurdy 1970 (Approved Lists 1980)
                         05 Cystobacter fuscusᵀ Schroeter 1886 (Approved Lists 1980)
                         06 Cystobacter gracilis Reichenbach 2013
                         07 Cystobacter miniatus Reichenbach 2007
                         08 "Cystobacter minor"
                         09 Cystobacter velatus Reichenbach 2007
                         10 Cystobacter violaceus (ex Kühlwein and Gallwitz 1958) Reichenbach 2007