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 Fibrobacteres-Chlorobi-Bacteroidetes (FCB) Gupta 2004
               Phylum Bacteroidetes Krieg et al. 2012
                 Class Cytophagia Nakagawa 2012 [monotypic]
                   Order Cytophagalesᵀ Leadbetter 1974 (Approved Lists 1980)
                     Family Cyclobacteriaceae Nedashkovskaya and Ludwig 2012
                       Genus Negadavirga Hu et al. 2015
                       Genus Shivajiella Anil Kumar et al. 2013
                       01 Genus Algoriphagus Bowman et al. 2003
                       02 Genus Aquiflexum Brettar et al. 2004 [monotypic]
                       03 Genus Belliella Brettar et al. 2004
                       04 Genus Cecembia Anil Kumar et al. 2012
                       05 Genus Cyclobacteriumᵀ Raj and Maloy 1990
                       06 Genus Echinicola Nedashkovskaya et al. 2006
                       07 Genus Fontibacter Kämpfer et al. 2010
                       08 Genus Indibacter Anil Kumar et al. 2010 [monotypic]
                       09 Genus Mariniradius Bhumika et al. 2013 [monotypic]
                       10 Genus Mongoliicoccus Liu et al. 2012 [monotypic]
                       11 Genus Mongoliitalea Yang et al. 2012 [monotypic]
                       12 Genus Nitritalea Anil Kumar et al. 2010 [monotypic]