Thermocladium Itoh et al. 1998 Thermocladium Itoh et al. 1998 Thermocladium modestius Itoh et al. 1998 Universal Root Woese et al. 1990 Archaea Woese et al. 1990 Crenarchaeota (sic) Garrity and Holt 2021 Thermoproteota corrig. Garrity and Holt 2021 Thermoprotei Reysenbach 2002 Thermoproteales Zillig et al. 1982 emend. Burggraf et al. 1997 Thermoproteaceae Zillig et al. 1982 emend. Burggraf et al. 1997 Thermocladium Itoh et al. 1998 Thermoproteaceae Zillig et al. 1982 emend. Burggraf et al. 1997 Vulcanisaeta Itoh et al. 2002 Caldivirga Itoh et al. 1999 Thermoproteus Zillig et al. 1982 Pyrobaculum Huber et al. 1988 emend. Chan et al. 2013 Thermocladium modestius Itoh et al. 1998 Itoh T. Suzuki K. Nakase T. Thermocladium modestius gen. nov., sp. nov., a new genus of rod-shaped, extremely thermophilic crenarchaeote. 1998 48 3 879 887 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-48-3-879 9734041 Itoh T. Suzuki K. Nakase T. Thermocladium modestius gen. nov., sp. nov., a new genus of rod-shaped, extremely thermophilic crenarchaeote. 1998 48 3 879 887 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-48-3-879 9734041