prokaryotes - bacteria see Domain Bacteria Woese et al. 1990 stat. inval.
   Domain "Bacteria" Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Bacteroidetes" Krieg et al. 2012 stat. inval. see Phylum Bacteroidota Krieg et al. 2021
       1 Class Bacteroidia Krieg 2012 [monotypic]
       2 Class Cytophagia Nakagawa 2012 [monotypic]
       3 Class Flavobacteriia Bernardet 2012 [monotypic]
       4 Class Sphingobacteriia Kämpfer 2012 [monotypic]
       5 Genus Marinifilum Na et al. 2009, incertae sedis
       6 Genus Toxothrix Molisch 1925 (Approved Lists 1980), incertae sedis