Propionispira arcuata Ueki et al. 2014 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 Negativicutes Marchandin et al. 2010 Selenomonadales Marchandin et al. 2010 emend. Campbell et al. 2015 Selenomonadaceae Campbell et al. 2015 Propionispira Schink et al. 1983 emend. Ueki et al. 2014 Propionispira arcuata Ueki et al. 2014 Propionispira Schink et al. 1983 emend. Ueki et al. 2014 Propionispira raffinosivorans (Schleifer et al. 1990) Ueki et al. 2014 Propionispira arboris Schink et al. 1983 Propionispira paucivorans (Schleifer et al. 1990) Ueki et al. 2014 Propionispira arcuata Ueki et al. 2014 Ueki A. Watanabe M. Ohtaki Y. Kaku N. Ueki K. Description of Propionispira arcuata sp. nov., isolated from a methanogenic reactor of cattle waste, reclassification of Zymophilus raffinosivorans and Zymophilus paucivorans as Propionispira raffinosivorans comb. nov. and Propionispira paucivorans comb. nov., and emended description of the genus Propionispira 2014 64 10 3571 3577 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.063875-0 25061065 Ueki A. Watanabe M. Ohtaki Y. Kaku N. Ueki K. Description of Propionispira arcuata sp. nov., isolated from a methanogenic reactor of cattle waste, reclassification of Zymophilus raffinosivorans and Zymophilus paucivorans as Propionispira raffinosivorans comb. nov. and Propionispira paucivorans comb. nov., and emended description of the genus Propionispira 2014 64 10 3571 3577 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.063875-0 25061065