domain: Bacteria Woese et al., 2024 >
kingdom: Thermotogati Battistuzzi & Hedges, 2024 >
phylum: Thermotogota Reysenbach, 2021 >
class: Thermotogae Reysenbach, 2002 >
order: Thermotogales Reysenbach, 2002 >
family: Thermotogaceae Reysenbach, 2002 >
genus: Thermotoga Stetter & Huber, 1986 >