Caldivirga Itoh et al. 1999 Caldivirga Itoh et al. 1999 Caldivirga maquilingensis Itoh et al. 1999 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 Caldivirga Itoh et al. 1999 Thermoproteaceae Zillig et al. 1982 emend. Burggraf et al. 1997 Vulcanisaeta Itoh et al. 2002 Thermocladium Itoh et al. 1998 Thermoproteus Zillig et al. 1982 Pyrobaculum Huber et al. 1988 emend. Chan et al. 2013 Caldivirga maquilingensis Itoh et al. 1999 Itoh T. Suzuki K. Sanchez P.C. Nakase T. Caldivirga maquilingensis gen. nov., sp. nov., a new genus of rod-shaped crenarchaeote isolated from a hot spring in the Philippines. 1999 49 3 1157 1163 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-49-3-1157 10425774 Itoh T. Suzuki K. Sanchez P.C. Nakase T. Caldivirga maquilingensis gen. nov., sp. nov., a new genus of rod-shaped crenarchaeote isolated from a hot spring in the Philippines. 1999 49 3 1157 1163 International Journal of Systematic Bacteriology Int J Syst Bacteriol 0020-7713 10.1099/00207713-49-3-1157 10425774