Proteiniborus Niu et al. 2008 Proteiniborus Niu et al. 2008 Proteiniborus ethanoligenes Niu et al. 2008 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 Proteiniborus Niu et al. 2008 Incertae sedis 13 Takii et al. 2007 Dethiosulfatibacter Takii et al. 2007 Flavonifractor Carlier et al. 2010 Blautia Liu et al. 2008 emend. Durand et al. 2017 Anaerovirgula Pikuta et al. 2006 Pseudoflavonifractor Carlier et al. 2010 Proteiniborus ethanoligenes Niu et al. 2008 Proteiniborus indolifex Hahnke et al. 2018 Niu L. Song L. Dong X. Proteiniborus ethanoligenes gen. nov., sp. nov., an anaerobic protein-utilizing bacterium. 2008 58 1 12 16 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.65108-0 18175674 Hahnke S. Langer T. Klocke M. Proteiniborus indolifex sp. nov., isolated from a thermophilic industrial-scale biogas plant. 2018 68 3 824 828 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.002591 29458500 The authors (Niu et al. 2008, rid.8519) place the genus Proteiniborus within the Clostridium subphylum (cluster XII). Intermediate taxa are not designated. Niu L. Song L. Dong X. Proteiniborus ethanoligenes gen. nov., sp. nov., an anaerobic protein-utilizing bacterium. 2008 58 1 12 16 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.65108-0 18175674 rid.8519: The type species of the genus is Proteiniborus ethanoligenes, a member of cluster XII of the ‘Clostridia"