Flavonifractor Carlier et al. 2010 Flavonifractor Carlier et al. 2010 Flavonifractor plautii (Séguin 1928) Carlier et al. 2010 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Firmicutes (sic) Gibbons and Murray 2021 Bacillota corrig. Gibbons and Murray 2021 Firmacutes (sic) Gibbons and Murray 2021 Clostridia Rainey 2010 Thermoanaerobacterales (Garrity and Holt 2001) Wiegel 2010 emend. Lv et al. 2020 Incertae sedis 13 Takii et al. 2007 Flavonifractor Carlier et al. 2010 Incertae sedis 13 Takii et al. 2007 Dethiosulfatibacter Takii et al. 2007 Proteiniborus Niu et al. 2008 Blautia Liu et al. 2008 emend. Durand et al. 2017 Anaerovirgula Pikuta et al. 2006 Pseudoflavonifractor Carlier et al. 2010 Flavonifractor plautii (Séguin 1928) Carlier et al. 2010 Carlier J.-P. Bedora-Faure M. K'ouas G. Alauzet C. Mory F. Proposal to unify Clostridium orbiscindens Winter et al. 1991 and Eubacterium plautii (Séguin 1928) Hofstad and Aasjord 1982, with description of Flavonifractor plautii gen. nov., comb. nov., and reassignment of Bacteroides capillosus to Pseudoflavonifractor capillosus gen. nov., comb. nov. 2010 60 3 585 590 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.016725-0 19654357 The authors (Carlier et al. 2010, rid.10567) place the genus Flavonifactor in the clostridial cluster IV. Carlier J.-P. Bedora-Faure M. K'ouas G. Alauzet C. Mory F. Proposal to unify Clostridium orbiscindens Winter et al. 1991 and Eubacterium plautii (Séguin 1928) Hofstad and Aasjord 1982, with description of Flavonifractor plautii gen. nov., comb. nov., and reassignment of Bacteroides capillosus to Pseudoflavonifractor capillosus gen. nov., comb. nov. 2010 60 3 585 590 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.016725-0 19654357