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 Rhodothermaceae Ludwig et al. 2012
                       1 Genus Longimonas Xia et al. 2015
                       2 Genus Rhodothermusᵀ Alfredsson et al. 1995 [monotypic]
                       3 Genus Rubricoccus Park et al. 2011
                       4 Genus Rubrivirga Park et al. 2013
                       5 Genus Salinibacter Antón et al. 2002 [monotypic]
                       6 Genus Salisaeta Vaisman and Oren 2009