Hallella Moore and Moore 1994 Hallella seregens Moore and Moore 1994 emend. Hahnke et al. 2016 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Bacteroidota corrig. Krieg et al. 2021 Bacteroidetes (sic) Krieg et al. 2021 non Bacteroidetes Krieg 2012 Bacteroidia corrig. Krieg 2012 emend. García-López et al. 2019 Bacteroidetes (sic) Krieg 2012 emend. García-López et al. 2019 non Bacteroidetes Krieg et al. 2021 Bacteroidales Krieg 2012 emend. García-López et al. 2019 Prevotellaceae Krieg 2012 Hallella Moore and Moore 1994 Prevotellaceae Krieg 2012 Xylanibacter Ueki et al. 2006 Paraprevotella Morotomi et al. 2009 Alloprevotella Downes et al. 2013 Prevotella Shah and Collins 1990 emend. Sakamoto and Ohkuma 2012 Pseudoprevotella Na et al. 2021 Hallella seregens Moore and Moore 1994 emend. Hahnke et al. 2016 Rosenberg R. Rosenberg E. DeLong E.F. Lory S. Stackebrandt E. Thompson F. The Family Prevotellaceae 2014 1 4 825 827 The Prokaryotes: Alphaproteobacteria and Betaproteobacteria Springer Berlin Heidelberg New York 3642301975 10.1007/978-3-642-38954-2_131 Moore L.V.H. Moore W.E.C. Oribaculum catoniae gen. nov., sp. nov.; Catonella morbi gen. nov., sp. nov.; Hallella seregens gen. nov., sp. nov.; Johnsonella ignava gen. nov., sp. nov.; and Dialister pneumosintes gen. nov., comb. nov., nom. rev., Anaerobic gram-negative bacilli from the human gingival crevice. 1994 44 2 187 192 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-44-2-187 8186083