thermoproteaceae thermoproteaceae in taxonomy, the thermoproteaceae are a family of the thermoproteales. thermoproteaceae scientific classification domain: archaea phylum: thermoproteota class: thermoprotei order: thermoproteales family: thermoproteaceaezillig & stetter 1982 emend. burggraf et al. 1997 genera caldivirga pyrobaculum thermocladium thermoproteus vulcanisaeta phylogeny the currently accepted taxonomy is based on the list of prokaryotic names with standing in nomenclature (lpsn) and national center for biotechnology information (ncbi) 16s rrna-based ltp release 132 by the all-species living tree project gtdb 06-rs202 (genome taxonomy database). thermoproteaceae caldivirga itoh et al. 1999 thermocladium itoh et al. 1998 vulcanisaeta itoh et al. 2002 thermoproteus zillig and stetter 1982 pyrobaculum huber et al. 1988 thermoproteales "thermocladiaceae" caldivirga thermocladium vulcanisaeta thermoproteaceae thermoproteus pyrobaculum