Methanocaldococcus villosus Bellack et al. 2011 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 Methanocaldococcus villosus Bellack et al. 2011 Methanocaldococcus 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 infernus (Jeanthon et al. 1998) Whitman 2001 Methanocaldococcus sp. None 2015 Methanocaldococcus vulcanius (Jeanthon et al. 1999) Whitman 2002 Methanocaldococcus villosus Bellack et al. 2011 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 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