Faecalicatena contorta (Prévot 1947) Sakamoto et al. 2017 Faecalicatena contorta (Prévot 1947) Sakamoto et al. 2017 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 Eubacteriales Buchanan 1917 (Approved Lists 1980) emend. Tindall 2019 Lachnospiraceae Rainey 2010 Faecalicatena Sakamoto et al. 2017 Faecalicatena contorta (Prévot 1947) Sakamoto et al. 2017 Faecalicatena Sakamoto et al. 2017 Faecalicatena fissicatena (Taylor 1972) Sakamoto et al. 2017 Faecalicatena orotica (Wachsman and Barker 1954) Sakamoto et al. 2017 Faecalicatena acetigenes Hitch et al. 2022 Faecalicatena absiana Shin et al. 2022 Lachnoclostridium contortum (Prévot 1947) Yutin and Galperin 2013 Faecalicatena contorta (Prévot 1947) Sakamoto et al. 2017 Eubacterium contortum (Prévot 1947) Holdeman et al. 1971 (Approved Lists 1980) Sakamoto M. Iino T. Ohkuma M. Faecalimonas umbilicata gen. nov., sp. nov., isolated from human faeces, and reclassification of Eubacterium contortum, Eubacterium fissicatena and Clostridium oroticum as Faecalicatena contorta gen. nov., comb. nov., Faecalicatena fissicatena comb. nov. and Faecalicatena orotica comb.nov. 2017 67 5 1219 1227 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.001790 28556772 Skerman V.B.D. McGowan V. Sneath P.H.A. Approved Lists of Bacterial Names 1980 30 1 225 420 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-30-1-225 Sakamoto M. Iino T. Ohkuma M. Faecalimonas umbilicata gen. nov., sp. nov., isolated from human faeces, and reclassification of Eubacterium contortum, Eubacterium fissicatena and Clostridium oroticum as Faecalicatena contorta gen. nov., comb. nov., Faecalicatena fissicatena comb. nov. and Faecalicatena orotica comb.nov. 2017 67 5 1219 1227 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.001790 28556772 Eubacterium contortum (Prévot 1947) Holdeman et al. 1971 (Approved Lists 1980) Sakamoto M. Iino T. Ohkuma M. Faecalimonas umbilicata gen. nov., sp. nov., isolated from human faeces, and reclassification of Eubacterium contortum, Eubacterium fissicatena and Clostridium oroticum as Faecalicatena contorta gen. nov., comb. nov., Faecalicatena fissicatena comb. nov. and Faecalicatena orotica comb.nov. 2017 67 5 1219 1227 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.001790 28556772