Methanomicrobium antiquum Mochimaru et al. 2016 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 Methanomicrobium Balch and Wolfe 1981 Methanomicrobium antiquum Mochimaru et al. 2016 Methanomicrobium Balch and Wolfe 1981 Methanomicrobium paynteri Rivard et al. 1984 Methanomicrobium mobile (Paynter and Hungate 1968) Balch and Wolfe 1981 Methanomicrobium antiquum Mochimaru et al. 2016 Mochimaru H. Tamaki H. Katayama T. Imachi H. Sakata S. Kamagata Y. Methanomicrobium antiquum sp. nov., a hydrogenotrophic methanogen isolated from deep sedimentary aquifers in a natural gas field 2016 66 11 4873 4877 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.001444 27553654 Mochimaru H. Tamaki H. Katayama T. Imachi H. Sakata S. Kamagata Y. Methanomicrobium antiquum sp. nov., a hydrogenotrophic methanogen isolated from deep sedimentary aquifers in a natural gas field 2016 66 11 4873 4877 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijsem.0.001444 27553654