Methanogenium aggregans Ollivier et al. 1985 Methanogenium aggregans Ollivier et al. 1985 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 Methanogenium Romesser et al. 1981 emend. Spring et al. 2005 Methanogenium aggregans Ollivier et al. 1985 Methanogenium Romesser et al. 1981 emend. Spring et al. 2005 Methanogenium marisnigri Romesser et al. 1981 Methanogenium tationis Zabel et al. 1986 Methanogenium bourgense Ollivier et al. 1986 Methanogenium thermophilicum Rivard and Smith 1982 emend. Zabel et al. 1985 Methanogenium liminatans Zellner et al. 1990 Methanogenium organophilum Widdel et al. 1989 Methanogenicum olentangyi (sic) Corder et al. 1988 Methanogenium olentangyi corrig. Corder et al. 1988 Methanogenium frittonii Harris et al. 1996 Methanogenium marinum Chong et al. 2003 Methanogenium frigidum Franzmann et al. 1997 Methanogenium cariaci Romesser et al. 1981 emend. Maestrojuán et al. 1990 Methanocorpusculum aggregans (Ollivier et al. 1985) Xun et al. 1989 Methanogenium aggregans Ollivier et al. 1985 Ollivier B.M. Mah R.A. Garcia J.L. Robinson R. Isolation and characterization of Methanogenium aggregans sp. nov. 1985 35 2 127 130 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-35-2-127 Xun L. Boone D.R. Mah R.A. Deoxyribonucleic acid hybridization study of Methanogenium and Methanocorpusculum species, emendation of the genus Methanocorpusculum, and transfer of Methanogenium aggregans to the genus Methanocorpusculum as Methanocorpusculum aggregans comb. nov. 1989 39 2 109 111 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-39-2-109 Ollivier B.M. Mah R.A. Garcia J.L. Robinson R. Isolation and characterization of Methanogenium aggregans sp. nov. 1985 35 2 127 130 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-35-2-127 Methanocorpusculum aggregans (Ollivier et al. 1985) Xun et al. 1989 Ollivier B.M. Mah R.A. Garcia J.L. Robinson R. Isolation and characterization of Methanogenium aggregans sp. nov. 1985 35 2 127 130 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-35-2-127 Xun L. Boone D.R. Mah R.A. Deoxyribonucleic acid hybridization study of Methanogenium and Methanocorpusculum species, emendation of the genus Methanocorpusculum, and transfer of Methanogenium aggregans to the genus Methanocorpusculum as Methanocorpusculum aggregans comb. nov. 1989 39 2 109 111 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-39-2-109