Methylocaldum Bodrossy et al. 1998 emend. Takeuchi et al. 2014 Methylocaldum Bodrossy et al. 1998 emend. Takeuchi et al. 2014 Methylocaldum szegediense Bodrossy et al. 1998 Universal Root Woese et al. 1990 Bacteria (None 2015) Woese et al. 1990 Proteobacteria (sic) Garrity et al. 2021 Pseudomonadota corrig. Garrity et al. 2021 Alphaproteobacteriota (sic) Garrity et al. 2021 Gammaproteobacteria Garrity et al. 2005 emend. Williams and Kelly 2013 Methylococcales Bowman 2005 Methylococcaceae Whittenbury and Krieg 1984 emend. Bowman et al. 1993 Methylocaldum Bodrossy et al. 1998 emend. Takeuchi et al. 2014 Methylococcaceae Whittenbury and Krieg 1984 emend. Bowman et al. 1993 Methylosarcina Wise et al. 2001 emend. Orata et al. 2018 Methylomicrobium Bowman et al. 1995 emend. Orata et al. 2018 Methylobacter Bowman et al. 1993 emend. Bowman et al. 1995 Methylosphaera Bowman et al. 1998 Methylosoma Rahalkar et al. 2007 Methylococcus Foster and Davis 1966 (Approved Lists 1980) emend. Bowman et al. 1993 Methylovulum Iguchi et al. 2011 emend. Oshkin et al. 2016 Methylogaea Geymonat et al. 2011 Methylomarinum Hirayama et al. 2013 Methyloparacoccus Hoefman et al. 2014 Methyloprofundus Tavormina et al. 2015 Methyloglobulus Deutzmann et al. 2015 Methylomagnum Khalifa et al. 2015 Methylomonas (ex Leadbetter 1974) Whittenbury and Krieg 1984 emend. Bowman et al. 1993 Methyloterricola Frindte et al. 2017 Methylospira Danilova et al. 2016 Thiodiazotropha König et al. 2016 Methylocucumis Pandit and Rahalkar 2019 Methylicorpusculum Saidi-Mehrabad et al. 2020 Methylocaldum gracile (ex Romanovskaya et al. 1978) Bodrossy et al. 1998 Methylocaldum marinum Takeuchi et al. 2014 Methylocaldum tepidum Bodrossy et al. 1998 Methylocaldum szegediense Bodrossy et al. 1998 Takeuchi M. Kamagata Y. Oshima K. Hanada S. Tamaki H. Marumo K. Maeda H. Nedachi M. Hattori M. Iwasaki W. Sakata S. Methylocaldum marinum sp. nov., a thermotolerant methane-oxidizing bacterium isolated from marine sediments, and emended description of the genus Methylocaldum 2014 64 9 3240 3246 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.063503-0 24981325 Bodrossy L. Holmes E.M. Holmes A.J. Kovács K.L. Murrell J.C. Analysis of 16S rRNA and methane monooxygenase gene sequences reveals a novel group of thermotolerant and thermophilic methanotrophs, Methylocaldum gen. nov. 1997 168 493 503 Archives of Microbiology Arch Microbiol 0302-8933 1432-072X 10.1007/s002030050527 9385141 Takeuchi M. Kamagata Y. Oshima K. Hanada S. Tamaki H. Marumo K. Maeda H. Nedachi M. Hattori M. Iwasaki W. Sakata S. Methylocaldum marinum sp. nov., a thermotolerant methane-oxidizing bacterium isolated from marine sediments, and emended description of the genus Methylocaldum 2014 64 9 3240 3246 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.063503-0 24981325 List Editor Validation of publication of new names and new combinations previously effectively published outside the IJSB. List No. 66. 1998 48 3 631 632 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-48-3-631 Bodrossy L. Holmes E.M. Holmes A.J. Kovács K.L. Murrell J.C. Analysis of 16S rRNA and methane monooxygenase gene sequences reveals a novel group of thermotolerant and thermophilic methanotrophs, Methylocaldum gen. nov. 1997 168 493 503 Archives of Microbiology Arch Microbiol 0302-8933 1432-072X 10.1007/s002030050527 9385141