Archaeobacteria Murray 1988 Archaeobacteria Murray 1988 Methanobacteriales Balch and Wolfe 1981 Universal Root Woese et al. 1990 Archaea Woese et al. 1990 Euryarchaeota (sic) Garrity and Holt 2001 Methanobacteriota corrig. Garrity and Holt 2001 Archaeobacteria Murray 1988 Euryarchaeota (sic) Garrity and Holt 2001 Methanobacteriota corrig. Garrity and Holt 2001 Methanomicrobia Garrity et al. 2003 Archaeoglobi Garrity and Holt 2002 Methanobacteria (Murray 1988) Boone 2002 Thermoplasmata Reysenbach 2002 Thermococci Zillig and Reysenbach 2002 Methanococci Boone 2002 Halobacteria (Cavalier-Smith 2002) Grant et al. 2002 emend. Gupta et al. 2015 Methanopyri Garrity and Holt 2002 Halomebacteria Cavalier-Smith 2002 Methanothermea Cavalier-Smith 2002 Protoarchaea Cavalier-Smith 2002 Methanonatronarchaeia Sorokin et al. 2018 Incertae sedis 420 Laso-Pérez et al. 2016 Methanofastidiosa (sic) Nobu et al. 2016 Methanofastidiosia corrig. Nobu et al. 2016 Incertae sedis 556 Martin-Cuadrado et al. 2015 Methanobacteriales Balch and Wolfe 1981 Judicial Commission of the International Committee on Systematics of Prokaryotes Names at the rank of class, subclass and order, their typification and current status: Supplementary information to Opinion 79. 2014 64 10 3599 3602 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.069310-0 25288668 List Editor Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 25. 1988 38 2 220 222 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-38-2-220 Methanobacteria (Murray 1988) Boone 2002 Murray R.G.E. Holt J.G. The Higher Taxa, or, a Place for Everything...? 1984 1 1 31 34 Bergey's Manual of Systematic Bacteriology The Williams and Wilkins Co. Baltimore List Editor Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 25. 1988 38 2 220 222 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-38-2-220 Judicial Commission of the International Committee on Systematics of Prokaryotes Names at the rank of class, subclass and order, their typification and current status: Supplementary information to Opinion 79. 2014 64 10 3599 3602 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.069310-0 25288668 Although this taxon has priority over the later homotypic synonym Methanobacteria, it is not considered to be in current use.