Pseudobutyrivibrio ruminis van Gylswyk et al. 1996 Pseudobutyrivibrio ruminis van Gylswyk et al. 1996 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 Pseudobutyrivibrio van Gylswyk et al. 1996 Pseudobutyrivibrio ruminis van Gylswyk et al. 1996 Pseudobutyrivibrio van Gylswyk et al. 1996 Pseudobutyrivibrio xylanivorans Kopecný et al. 2003 Pseudobutyrivibrio ruminis van Gylswyk et al. 1996 van Gylswyk N.O. Hippe H. Rainey F.A. Pseudobutyrivibrio ruminis, gen. nov., sp. nov., a butyrate-producing bacterium from the rumen that closely resembles Butyrivibrio fibrisolvens in phenotype. 1996 46 2 559 563 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-46-2-559 van Gylswyk N.O. Hippe H. Rainey F.A. Pseudobutyrivibrio ruminis, gen. nov., sp. nov., a butyrate-producing bacterium from the rumen that closely resembles Butyrivibrio fibrisolvens in phenotype. 1996 46 2 559 563 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-46-2-559 van Gylswyk N.O. Hippe H. Rainey F.A. Pseudobutyrivibrio ruminis, gen. nov., sp. nov., a butyrate-producing bacterium from the rumen that closely resembles Butyrivibrio fibrisolvens in phenotype. 1996 46 2 559 563 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-46-2-559