Methanocaldococcus Whitman 2002 Methanocaldococcus jannaschii (Jones et al. 1984) Whitman 2002 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 Methanococcales Balch and Wolfe 1981 Methanocaldococcaceae Whitman et al. 2002 Methanocaldococcus Whitman 2002 Methanocaldococcaceae Whitman et al. 2002 Methanotorris Whitman 2002 Methanocaldococcus indicus L'Haridon et al. 2003 Methanocaldococcus fervens (Jeanthon et al. 1999) Whitman 2002 Methanocaldococcus bathoardescens Stewart et al. 2015 Methanocaldococcus jannaschii (Jones et al. 1984) Whitman 2002 Methanocaldococcus villosus Bellack et al. 2011 Methanocaldococcus infernus (Jeanthon et al. 1998) Whitman 2001 Methanocaldococcus sp. None 2015 Methanocaldococcus vulcanius (Jeanthon et al. 1999) Whitman 2002 L'Haridon S. Reysenbach A.L. Banta A. Messner P. Schumann P. Stackebrandt E. Jeanthon C. Methanocaldococcus indicus sp. nov., a novel hyperthermophilic methanogen isolated from the Central Indian Ridge. 2003 53 6 1931 1935 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02700-0 14657125 Stewart L.C. Jung J.-H. Kim Y.-T. Kwon S.-W. Park C.-S. Holden J.F. Methanocaldococcus bathoardescens sp. nov., a hyperthermophilic methanogen isolated from a volcanically active deep-sea hydrothermal vent 2015 65 4 1280 1283 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.000097 25634941 Bellack A. Huber H. Rachel R. Wanner G. Wirth R. Methanocaldococcus villosus sp. nov., a heavily flagellated archaeon that adheres to surfaces and forms cell–cell contacts 2011 61 6 1239 1245 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.023663-0 20622057 Whitman W.B. Garrity G.M. Boone D.R. Castenholz R.W. Genus I. Methanocaldococcus gen. nov. 2001 1 2 243 245 Bergey's Manual of Systematic Bacteriology Springer New York No reference is available 2015