Halobacteria (Cavalier-Smith 2002) Grant et al. 2002 emend. Gupta et al. 2015 Halobacteriales Grant and Larsen 1989 emend. Gupta et al. 2015 Universal Root Woese et al. 1990 Archaea Woese et al. 1990 Euryarchaeota (sic) Garrity and Holt 2001 Methanobacteriota corrig. Garrity and Holt 2001 Halobacteria (Cavalier-Smith 2002) Grant et al. 2002 emend. Gupta et al. 2015 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 Methanopyri Garrity and Holt 2002 Halomebacteria Cavalier-Smith 2002 Methanothermea Cavalier-Smith 2002 Archaeobacteria Murray 1988 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 Halobacteriales Grant and Larsen 1989 emend. Gupta et al. 2015 Haloferacales Gupta et al. 2015 Natrialbales Gupta et al. 2015 Garrity G.M. Holt J.G. Garrity G.M. Boone D.R. Castenholz R.W. Phylum AII. Euryarchaeota phy. nov. 2001 1 2 211 355 Bergey's Manual of Systematic Bacteriology Springer New York Gupta R.S. Naushad S. Baker S. Phylogenomic analyses and molecular signatures for the class Halobacteria and its two major clades: a proposal for division of the class Halobacteria into an emended order Halobacteriales and two new orders, Haloferacales ord. nov. and Natrialbales ord. nov., containing the novel families Haloferacaceae fam. nov. and Natrialbaceae fam. nov. 2015 65 3 1050 1069 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.070136-0 25428416