Methanothrix soehngenii Huser et al. 1983 Universal Root Woese et al. 1990 Archaea Woese et al. 1990 Euryarchaeota (sic) Garrity and Holt 2001 Methanobacteriota corrig. Garrity and Holt 2001 Methanomicrobia Garrity et al. 2003 Methanotrichales Akinyemi et al. 2021 Methanotrichaceae Akinyemi et al. 2021 Methanothrix Huser et al. 1983 Methanothrix soehngenii Huser et al. 1983 Methanothrix Huser et al. 1983 Methanothrix thermophila Kamagata et al. 1992 Methanothrix concilii Patel 1985 Methanothrix thermoacetophilia (sic) Nozhevnikova and Chudina 1988 Methanothrix thermoacetophila corrig. Nozhevnikova and Chudina 1988 Methanothrix paradoxum (sic) Angle et al. 2017 Methanothrix paradoxa corrig. Angle et al. 2017 Methanothrix harundinacea (Ma et al. 2006) Akinyemi et al. 2021 Methanothrix soehngenii Huser et al. 1983 Judicial Commision of the International Committee on Systematics of Prokaryotes. Rejection of the genus name Methanothrix with the species Methanothrix soehngenii Huser et al. 1983 and transfer of Methanothrix thermophila Kamagata et al. 1992 to the genus Methanosaeta as Methanosaeta thermophila comb. nov. Opinion 75. 2008 58 7 1753 1754 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.2008/005355-0 18599729 Kamagata Y. Kawasaki H. Oyaizu H. Nakamura K. Mikami E. Endo G. Koga Y. Yamasato K. Characterization of three thermophilic strains of Methanothrix (Methanosaeta) thermophila sp. nov. and rejection of Methanothrix (Methanosaeta) thermoacetophila. 1992 42 3 463 468 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-42-3-463 1380291 S42880 (segment 1) S42668 (segment 2) S42673 (segment 3) Although the GenBank record uses the heterotypic syn for NR_028242, the strain is type for Methanothrix soehngenii. According to Judicial Opinion 75 this strain is not in pure culture. 16S fragments S42668, S42673 and S42880 have been replaced by AH003991. Huser B.A. Wuhrmann K. Zehnder A.J.B. Methanothrix soehngenii gen. nov., sp. nov., a new acetophilic, non-hydrogen oxidizing methane bacterium 1982 132 1 9 Archives of Microbiology Arch Microbiol 0302-8933 1432-072X 10.1007/BF00690808