Entomoplasmatales Tully et al. 1993 Entomoplasma Tully et al. 1993 emend. Gupta et al. 2019 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 Entomoplasmatales Tully et al. 1993 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 Incertae sedis 8 None 2015 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 Spiroplasmataceae (ex Skripal' 1974) Skripal' 1983 Entomoplasmataceae Tully et al. 1993 Tully J.G. Bové J.M. Laigret F. Whitcomb R.F. Revised taxonomy of the class Mollicutes: proposed elevation of a monophyletic cluster of arthropod-associated mollicutes to ordinal rank (Entomoplasmatales ord. nov.), with provision for familial rank to separate species with nonhelical morphology (Entomoplasmataceae fam. nov.) from helical species (Spiroplasmataceae), and emended descriptions of the order Mycoplasmatales, family Mycoplasmataceae. 1993 43 2 378 385 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-43-2-378