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 "Bacteroidetes" Garrity and Holt 2001] see Phylum Bacteroidetes Krieg et al. 2012
               [Class "Sphingobacteria" [monotypic]] see Class Sphingobacteriia Kämpfer 2012
                 [Order "Sphingobacteriales"ᵀ Kämpfer, 2012] see Order Sphingobacteriales Kämpfer 2012
                   2 [Family "Saprospiraceae" Krieg et al., 2012] see Family Saprospiraceae Krieg et al. 2012
                   3 [Family "Chitinophagaceae" nom. inval.] see Family Chitinophagaceae Kämpfer et al. 2011
                   n1.1.0 [Family "Flexibacteraceae"] see Family Cytophagaceae Stanier 1940 (Approved Lists 1980)
                   n1.1.0 [Family Spirosomaceae Larkin and Borrall 1978 (Approved Lists 1980)] see Family Flexibacteraceae
                   n1.2 [Family "Cyclobacteriaceae" nom. ined.] see Family Cyclobacteriaceae Nedashkovskaya and Ludwig 2012
                   n2 [Family "Flammeovirgaceae" Garrity and Holt 2001 nom. nud.] see Family Flammeovirgaceae Yoon et al. 2011
                   n3 [Family "Rhodothermaceae" Ludwig et al., 2012] see Family Rhodothermaceae Ludwig et al. 2012