[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990
     Phylum "Bacteroidetes" Garrity and Holt 2001 see Phylum Bacteroidetes Krieg et al. 2012
       Class "Bacteroidetes" Krieg et al., 2012 see Class Bacteroidia Krieg et al., 2012
         Order "Bacteroidales" Krieg 2012 see Order Bacteroidales Krieg 2012
           Family Bacteroidaceae Pribram 1933 (Approved Lists 1980)
             Genus Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980)
               01 Bacteroides fragilis (Veillon and Zuber 1898) Castellani and Chalmers 1919 (Approved Lists 1980)
               02 Bacteroides acidifaciens Miyamoto and Itoh 2000
               03 Bacteroides caccae Johnson et al. 1986
               04 Bacteroides capillosus (Tissier 1908) Kelly 1957 (Approved Lists 1980)
               05 Bacteroides cellulosolvens Murray et al. 1984
               06 Bacteroides coagulans Eggerth and Gagnon 1933 (Approved Lists 1980)
               07 Bacteroides coprocola Kitahara et al. 2005
               08 Bacteroides coprosuis Whitehead et al. 2005
               09 Bacteroides dorei Bakir et al. 2006
               10 Bacteroides eggerthii Holdeman and Moore 1974 (Approved Lists 1980)
               11 Bacteroides finegoldii Bakir et al. 2006
               12 Bacteroides galacturonicus Jensen and Canale-Parola 1987
               13 Bacteroides helcogenes Benno et al. 1983
               14 Bacteroides intestinalis Bakir et al. 2006
               15 Bacteroides massiliensis Fenner et al. 2005
               16 Bacteroides nordii Song et al. 2005
               17 Bacteroides ovatus Eggerth and Gagnon 1933 (Approved Lists 1980)
               18 Bacteroides pectinophilus Jensen and Canale-Parola 1987
               19 Bacteroides plebeius Kitahara et al. 2005
               20 Bacteroides polypragmatus Patel and Breuil 1982
               21 Bacteroides pyogenes Benno et al. 1983
               22 Bacteroides salyersiae corrig. Song et al. 2005
               23 Bacteroides splanchnicus Werner et al. 1975 (Approved Lists 1980) see Odoribacter splanchnicus (Werner et al. 1975) Hardham et al. 2008
               24 Bacteroides stercoris Johnson et al. 1986
               25 Bacteroides suis Benno et al. 1983
               26 Bacteroides tectus corrig. Love et al. 1986
               27 Bacteroides thetaiotaomicron (Distaso 1912) Castellani and Chalmers 1919 (Approved Lists 1980)
               28 Bacteroides uniformis Eggerth and Gagnon 1933 (Approved Lists 1980)
               29 Bacteroides ureolyticus Jackson and Goodman 1978 (Approved Lists 1980) see Campylobacter ureolyticus (Jackson and Goodman 1978) Vandamme et al. 2010
               30 Bacteroides vulgatus Eggerth and Gagnon 1933 (Approved Lists 1980)
               31 Bacteroides xylanolyticus Scholten-Koerselman et al. 1988