Methermicoccaceae Cheng et al. 2007 Methermicoccus Cheng et al. 2007 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 Methanosarcinales Boone et al. 2002 Methermicoccaceae Cheng et al. 2007 Methanosarcinales Boone et al. 2002 Methanoperedentaceae corrig. Haroon et al. 2013 Methanoperedenaceae (sic) Haroon et al. 2013 Methanosaetaceae Boone et al. 2002 Methanosarcinaceae Balch and Wolfe 1981 emend. Sowers et al. 1984 Incertae sedis 587 Chen et al. 2019 Incertae sedis 641 Hahn et al. 2020 Methermicoccus Cheng et al. 2007 Cheng L. Qiu T.L. Yin X.B. Wu X.L. Hu G.Q. Deng Y. Zhang H. Methermicoccus shengliensis gen. nov., sp. nov., a thermophilic, methylotrophic methanogen isolated from oil-production water, and proposal of Methermicoccaceae fam. nov. 2007 57 12 2964 2969 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.65049-0 18048758