Parabacteroides acidifaciens Wang et al. 2019 Parabacteroides acidifaciens Wang et al. 2019 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 Tannerellaceae Ormerod et al. 2022 Parabacteroides Sakamoto and Benno 2006 Parabacteroides acidifaciens Wang et al. 2019 Parabacteroides Sakamoto and Benno 2006 Parabacteroides merdae (Johnson et al. 1986) Sakamoto and Benno 2006 emend. Hahnke et al. 2016 Parabacteroides gordonii Sakamoto et al. 2009 Parabacteroides faecis Sakamoto et al. 2015 Parabacteroides johnsonii Sakamoto et al. 2007 emend. Hahnke et al. 2016 Parabacteroides distasonis (Eggerth and Gagnon 1933) Sakamoto and Benno 2006 emend. Hahnke et al. 2016 Parabacteroides sp. None 2015 Parabacteroides chartae Tan et al. 2012 emend. García-López et al. 2019 Parabacteroides chinchillae Kitahara et al. 2013 emend. García-López et al. 2019 Parabacteroides goldsteinii (Song et al. 2006) Sakamoto and Benno 2006 Parabacteroides chongii Kim et al. 2019 Parabacteroides segnis Liu et al. 2021 Parabacteroides hominis Liu et al. 2022 Parabacteroides acidifaciens Wang et al. 2019 Wang Y.-J. Xu X.-J. Zhou N. Sun Y. Liu C. Liu S.-J. You X. Parabacteroides acidifaciens sp. nov., isolated from human faeces. 2019 69 3 761 766 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003230 30652964 Liu C. Du M.-X. Abuduaini R. Yu H.-Y. Li D.-H. Wang Y.-J. Zhou N. Jiang M.-Z. Niu P.-X. Han S.-S. Chen H.-H. Shi W.-Y. Wu L. Xin Y.-H. Ma J. Zhou Y. Jiang C.-Y. Liu H.-W. Liu S.-J. Enlightening the taxonomy darkness of human gut microbiomes with a cultured biobank. 2021 9 1 119 119 Microbiome Microbiome 2049-2618 10.1186/s40168-021-01064-3 34020714 Wang Y.-J. Xu X.-J. Zhou N. Sun Y. Liu C. Liu S.-J. You X. Parabacteroides acidifaciens sp. nov., isolated from human faeces. 2019 69 3 761 766 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003230 30652964 Wang Y.-J. Xu X.-J. Zhou N. Sun Y. Liu C. Liu S.-J. You X. Parabacteroides acidifaciens sp. nov., isolated from human faeces. 2019 69 3 761 766 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.003230 30652964 Liu C. Du M.-X. Abuduaini R. Yu H.-Y. Li D.-H. Wang Y.-J. Zhou N. Jiang M.-Z. Niu P.-X. Han S.-S. Chen H.-H. Shi W.-Y. Wu L. Xin Y.-H. Ma J. Zhou Y. Jiang C.-Y. Liu H.-W. Liu S.-J. Enlightening the taxonomy darkness of human gut microbiomes with a cultured biobank. 2021 9 1 119 119 Microbiome Microbiome 2049-2618 10.1186/s40168-021-01064-3 34020714 Liu et al. 2021 also proposed this taxon, but it had already been Validly Published by Wang et al. 2019.