Methanogenium organophilum Widdel et al. 1989 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 organophilum Widdel et al. 1989 Methanogenium Romesser et al. 1981 emend. Spring et al. 2005 Methanogenium aggregans Ollivier et al. 1985 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 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 Methanogenium organophilum Widdel et al. 1989 List Editor Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 28. 1989 39 1 93 94 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-39-1-93 Rouvière P. Mandelco L. Winker S. Woese C.R. A detailed phylogeny for the Methanomicrobiales. 1992 15 363 371 Systematic and Applied Microbiology Syst Appl Microbiol 0723-2020 10.1016/S0723-2020(11)80209-2 11540078 Widdel F. Rouviere P.E. Wolfe R.S. Classification of secondary alcohol-utilizing methanogens including a new thermophilic isolate. 1988 150 477 481 Archives of Microbiology Arch Microbiol 0302-8933 1432-072X 10.1007/BF00422290