Incertae sedis 21 None 2015 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Bacteroidota corrig. Krieg et al. 2021 Bacteroidetes (sic) Krieg et al. 2021 non Bacteroidetes Krieg 2012 Flavobacteriia (Cavalier-Smith 1998) Bernardet 2012 Incertae sedis 20 None 2015 Incertae sedis 21 None 2015 Incertae sedis 20 None 2015 Incertae sedis 22 None 2015 No reference is available 2015