[living organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Prokaryota Margulis 1974 nom. nud.
     Kingdom Bacteria Cavalier-Smith 2002 stat. inval. - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
       Subkingdom Negibacteria Cavalier-Smith 2002 stat. inval. - negibacteria see Domain Bacteria Woese et al. 1990 stat. inval.
         Phylum Bacteroidetes Krieg et al. 2012 stat. inval. see Phylum Bacteroidota Krieg et al. 2021
           Class Sphingobacteriia Kämpfer 2012 [monotypic]
             Order Sphingobacteriales Kämpfer 2012