Methanoculleus bourgense (sic) (Ollivier et al. 1986) Maestrojuán et al. 1990 emend. Asakawa and Nagaoka 2003 Methanoculleus bourgensis corrig. (Ollivier et al. 1986) Maestrojuán et al. 1990 emend. Asakawa and Nagaoka 2003 Universal Root Woese et al. 1990 Archaea Woese et al. 1990 Euryarchaeota (sic) Garrity and Holt 2001 Methanobacteriota corrig. Garrity and Holt 2001 Methanococci Boone 2002 Methanomicrobiales Balch and Wolfe 1981 Methanomicrobiaceae Balch and Wolfe 1981 Methanoculleus Maestrojuán et al. 1990 Methanoculleus bourgense (sic) (Ollivier et al. 1986) Maestrojuán et al. 1990 emend. Asakawa and Nagaoka 2003 Methanoculleus bourgensis corrig. (Ollivier et al. 1986) Maestrojuán et al. 1990 emend. Asakawa and Nagaoka 2003 Methanoculleus Maestrojuán et al. 1990 Methanoculleus hydrogenitrophicus Tian et al. 2010 Methanoculleus horonobensis Shimizu et al. 2013 Methanoculleus taiwanensis Weng et al. 2015 Methanoculleus sediminis Chen et al. 2015 Methanoculleus olentangyi (Corder et al. 1988) Maestrojuán et al. 1990 Methanoculleus thermophilicus (sic) (Rivard and Smith 1982) Maestrojuán et al. 1990 emend. Spring et al. 2005 Methanoculleus thermophilus corrig. (Rivard and Smith 1982) Maestrojuán et al. 1990 emend. Spring et al. 2005 Methanoculleus palmolei Zellner et al. 1998 Methanoculleus receptaculi Cheng et al. 2008 Methanoculleus submarinus Mikucki et al. 2003 Methanoculleus oldenburgensis Blotevogel et al. 1998 Methanoculleus chikugoensis Dianou et al. 2001 Methanoculleus marisnigri (Romesser et al. 1981) Maestrojuán et al. 1990 Methanoculleus thermohydrogenotrophicum (sic) Kougias et al. 2017 Methanoculleus thermohydrogenitrophicus corrig. Kougias et al. 2017 Methanoculleus bourgense (sic) (Ollivier et al. 1986) Maestrojuán et al. 1990 emend. Asakawa and Nagaoka 2003 Methanoculleus bourgensis corrig. (Ollivier et al. 1986) Maestrojuán et al. 1990 emend. Asakawa and Nagaoka 2003 Methanogenium bourgense Ollivier et al. 1986 Maestrojuán G.M. Boone D.R. Xun L. Mah R.A. Zhang L. Transfer of Methanogenium bourgense, Methanogenium marisnigri, Methanogenium olentangyi, and Methanogenium thermophilicum to the genus Methanoculleus gen. nov., emendation of Methanoculleus marisnigri and Methanogenium, and description of new strains of Methanoculleus bourgense and Methanoculleus marisnigri. 1990 40 2 117 122 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-40-2-117 Wright A-D.G. Pimm C. Improved strategy for presumptive identification of methanogens using 16S riboprinting 2003 55 2 337 349 Journal of Microbiological Methods J Microbiol Methods 0167-7012 10.1016/S0167-7012(03)00169-6 14529955 Ollivier B. Mah R.A. Garcia J.L. Boone D.R. Isolation and characterization of Methanogenium bourgense sp. nov. 1986 36 2 297 301 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-36-2-297 Maestrojuán G.M. Boone D.R. Xun L. Mah R.A. Zhang L. Transfer of Methanogenium bourgense, Methanogenium marisnigri, Methanogenium olentangyi, and Methanogenium thermophilicum to the genus Methanoculleus gen. nov., emendation of Methanoculleus marisnigri and Methanogenium, and description of new strains of Methanoculleus bourgense and Methanoculleus marisnigri. 1990 40 2 117 122 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-40-2-117