Incertae sedis 8 None 2015 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Mycoplasmatota corrig. Murray 2021 Tenericutes (sic) Murray 2021 Mollicutota corrig. Murray 2021 Mollicutes Edward and Freundt 1967 (Approved Lists 1980) emend. Gupta et al. 2019 Incertae sedis 8 None 2015 Mollicutes Edward and Freundt 1967 (Approved Lists 1980) emend. Gupta et al. 2019 Mycoplasmatales Freundt 1955 (Approved Lists 1980) emend. Gupta et al. 2019 Acholeplasmatales Freundt et al. 1984 Entomoplasmatales Tully et al. 1993 Anaeroplasmatales Robinson and Freundt 1987 Incertae sedis 362 Kostanjšek et al. 2007 Incertae sedis 284 Wang et al. 2004 Mycoplasmoidales Gupta et al. 2018 Incertae sedis 308 Nechitaylo et al. 2009 Haloplasmatales Antunes et al. 2008 Izemoplasmatales Zhu et al. 2020 Erysipelotrichaceae Verbarg et al. 2004 emend. Tegtmeier et al. 2016 Garrity G.M. Lilburn T.G. Cole J.R. Harrison S.H. Euzéby J. Tindall B.J. Part 8 – The Bacteria: Phylum “Firmicutes”: Class Mollicutes 2007 317 332 The Taxonomic Outline of Bacteria and Archaea Release 7.7 Michigan State University Board of Trustees