[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Domain Bacteria Woese et al. 1990 stat. inval. see Domain Bacteria Woese et al. 2024
     Phylum "Bacteroidetes" Garrity and Holt 2001 nom. inval. see Phylum Bacteroidetes Krieg et al. 2012 stat. inval.
       Class "Bacteroidetes" see Class Bacteroidia
         Order "Bacteroidales" "Garrity and Holt 2001" nom. nud. see Order Bacteroidales Krieg 2012
           Family Bacteroidaceae Pribram 1933 (Approved Lists 1980)
             Genus Bacteroides Castellani and Chalmers 1919 (Approved Lists 1980)
               Bacteroides ureolyticus Jackson and Goodman 1978 (Approved Lists 1980) see Campylobacter ureolyticus (Jackson and Goodman 1978) Vandamme et al. 2010