Peptostreptococcus Kluyver and van Niel 1936 (Approved Lists 1980) emend. Ezaki et al. 2001 Peptostreptococcus Kluyver and van Niel 1936 (Approved Lists 1980) emend. Ezaki et al. 2001 Peptostreptococcus anaerobius (Natvig 1905) Kluyver and van Niel 1936 (Approved Lists 1980) emend. Gerritsen 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 Clostridia Rainey 2010 Eubacteriales Buchanan 1917 (Approved Lists 1980) emend. Tindall 2019 Peptostreptococcaceae Ezaki 2010 Peptostreptococcus Kluyver and van Niel 1936 (Approved Lists 1980) emend. Ezaki et al. 2001 Peptostreptococcaceae Ezaki 2010 Filifactor Collins et al. 1994 Tepidibacter Slobodkin et al. 2003 emend. Tan et al. 2012 Asaccharospora Gerritsen et al. 2014 Romboutsia Gerritsen et al. 2014 emend. Wang et al. 2015 Intestinibacter Gerritsen et al. 2014 Peptoanaerobacter Sizova et al. 2016 Clostridioides Lawson et al. 2016 Wukongibacter Li et al. 2016 Maledivibacter Li et al. 2016 Paramaledivibacter Li et al. 2016 Terrisporobacter Gerritsen et al. 2014 Peptoclostridium Yutin and Galperin 2013 non Peptoclostridium Galperin et al. 2016 Peptoclostridium Galperin et al. 2016 non Peptoclostridium Yutin and Galperin 2013 Peptacetobacter Chen et al. 2020 Criibacterium Maheux et al. 2021 Peptostreptococcus prevotii (Foubert and Douglas 1948) Ezaki et al. 1983 Peptostreptococcus indolicus (Christiansen 1934) Ezaki et al. 1983 Peptostreptococcus stomatis Downes and Wade 2006 Peptostreptococcus heliotrinreducens (Lanigan 1983) Ezaki and Yabuuchi 1986 Peptostreptococcus micros (Prévot 1933) Smith 1957 (Approved Lists 1980) Peptostreptococcus hydrogenalis Ezaki et al. 1990 Peptostreptococcus asaccharolyticus (Distaso 1912) Ezaki et al. 1983 Peptostreptococcus lactolyticus Li et al. 1992 Peptostreptococcus sp. None 2015 Peptostreptococcus canis Lawson et al. 2013 Peptostreptococcus vaginalis Li et al. 1992 Peptostreptococcus magnus (Prévot 1933) Ezaki et al. 1983 Peptostreptococcus lacrimalis Li et al. 1992 Peptostreptococcus parvulus (Weinberg et al. 1937) Smith 1957 (Approved Lists 1980) Peptostreptococcus harei Murdoch et al. 1997 Peptostreptococcus anaerobius (Natvig 1905) Kluyver and van Niel 1936 (Approved Lists 1980) emend. Gerritsen et al. 2014 Peptostreptococcus russellii Whitehead et al. 2011 Peptostreptococcus octavius Murdoch et al. 1997 Peptostreptococcus barnesae Schiefer-Ullrich and Andreesen 1986 Peptostreptococcus tetradius Ezaki et al. 1983 Peptostreptococcus ivorii Murdoch et al. 1997 Peptostreptococcus productus (Prévot 1941) Smith 1957 (Approved Lists 1980) Peptostreptococcus massiliae (sic) Drancourt et al. 2004 Peptostreptococcus massiliensis corrig. Drancourt et al. 2004 Peptostreptococcus porci Wylensek et al. 2021 Downes J. Wade W.G. 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Transfer of Peptococcus indolicus, Peptococcus asaccharolyticus, Peptococcus prevotii and Peptococcus magnus to the genus Peptostreptococcus and proposal of Peptostreptococcus tetradius sp. nov. 1983 33 4 683 698 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-33-4-683 Kluyver A.J. van Niel C.B. Prospects for a natural system of classification of bacteria 1936 94 369 403 Zentralblatt für Bakteriologie, Parasitenkunde, Infektionskrankheiten und Hygiene. Abteilung II Zentralbl Bakteriol Parasitenkd Infektionskr Hyg 0044-4057 Whitehead T.R. Cotta M.A. Falsen E. Moore E. Lawson P.A. Peptostreptococcus russellii sp. nov., isolated from a swine-manure storage pit 2011 61 8 1875 1879 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.023762-0 20833884 Drancourt M. Berger P. Raoult D. 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