Methanocalculus pumilus Mori et al. 2000 Methanocalculus pumilus Mori et al. 2000 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 Methanocalculaceae Zhilina et al. 2014 Methanocalculus Ollivier et al. 1998 Methanocalculus pumilus Mori et al. 2000 Methanocalculus Ollivier et al. 1998 Methanocalculus taiwanensis Lai et al. 2002 Methanocalculus halotolerans Ollivier et al. 1998 Methanocalculus natronophilus Zhilina et al. 2014 Methanocalculus chunghsingensis Lai et al. 2004 Methanocalculus alkaliphilus Sorokin et al. 2015 Methanocalculus pumilus Mori et al. 2000 Mori K. Yamamoto H. Kamagata Y. Hatsu M. Takamizawa K. Methanocalculus pumilus sp. nov., a heavy-metal-tolerant methanogen isolated from a waste-disposal site. 2000 50 5 1723 1729 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/00207713-50-5-1723 11034480 Mori K. Yamamoto H. Kamagata Y. Hatsu M. Takamizawa K. Methanocalculus pumilus sp. nov., a heavy-metal-tolerant methanogen isolated from a waste-disposal site. 2000 50 5 1723 1729 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/00207713-50-5-1723 11034480 Mori K. Yamamoto H. Kamagata Y. Hatsu M. Takamizawa K. Methanocalculus pumilus sp. nov., a heavy-metal-tolerant methanogen isolated from a waste-disposal site. 2000 50 5 1723 1729 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/00207713-50-5-1723 11034480