bacteroidales bacteroidales bacteroidales is an order of bacteria. notably it includes the genera prevotella and bacteroides , which are commonly found in the human gut microbiota. bacteroidales bacteroides biacutis anaerobically cultured in blood agar medium scientific classification domain: bacteria phylum: bacteroidota class: bacteroidiakrieg 2012 order: bacteroidaleskrieg 2012 families "aminobacteroidaceae" mei et al. 2020 bacteroidaceae balneicellaceae fadhlaoui et al. 2016 barnesiellaceae dysgonomonadaceae draconibacteriaceae du et al. 2014 lentimicrobiaceae marinifilaceae marinilabiliaceae muribaculaceae odoribacteraceae munoz et al. 2016 paludibacteraceae porphyromonadaceae prevotellaceae krieg 2012 prolixibacteraceae rikenellaceae salinarimonadaceae cole et al. 2018 salinivirgaceae tannerellaceae tenuifilaceae williamwhitmaniaceae genera not assigned to a family "ca. armantifilum" "ca. ordinivivax" "ca. paraporphyromonas" synonyms bacteroidia: "bacteroidetia" cavalier-smith 2020 bacteroidales: marinilabiliales wu et al. 2016 phylogeny the currently accepted taxonomy is based on the list of prokaryotic names with standing in nomenclature and national center for biotechnology information (ncbi). whole-genome based phylogeny 16s rrna based ltp_12_2021 gtdb 07-rs207 by genome taxonomy database bacteroidales odoribacteraceae williamwhitmaniaceae rikenellaceae lentimicrobiaceae salinivirgaceae prolixibacteraceae balneicellaceae marinifilaceae marinilabiliaceae porphyromonadaceae paludibacteraceae dysgonomonadaceae tannerellaceae muribaculaceae barnesiellaceae prevotellaceae bacteroidaceae lentimicrobiaceae rikenellaceae balneicellaceae marinilabiliaceae 2 marinilabiliaceae salinivirgaceae odoribacteraceae marinifilaceae prolixibacteraceae williamwhitmaniaceae acetobacteroides tenuifilaceae "coprobacteraceae" barnesiellaceae muribaculaceae tannerellaceae 2 tannerellaceae porphyromonadaceae paludibacteraceae dysgonomonadaceae bacteroidaceae p3 "ca. limimorpha" gilroy et al. 2021 lentimicrobiaceae sun et al. 2016 "bacteroides periocalifornicus" tenuifilaceae podosokorskaya et al. 2021 williamwhitmaniaceae pikuta et al. 2017 uba932 acetobacteroides su et al. 2014 rikenellaceae krieg et al. 2012 salinivirgaceae ben hania et al. 2017 prolixibacteraceae huang et al. 2014 (incl. draconibacteriaceae) marinifilaceae iino et al. 2014 (incl. balneicellaceae; odoribacteraceae) marinilabiliaceae ludwig et al. 2012 paludibacteraceaeormerod et al. 2022 porphyromonadaceae krieg 2012 tannerellaceae ormerod et al. 2022 "azobacteroidaceae" dysgonomonadaceae garcía-lópez et al. 2020 "ca. gallibacteroides" gilroy et al. 2021 "coprobacteraceae" "ca. caccoplasma" gilroy et al. 2021 barnesiellaceae garcía-lópez et al. 2020 muribaculaceae lagkouvardos et al. 2019 (incl. "homeothermaceae") bacteroidaceae pribram 1933 (incl. prevotellaceae) notes