thermus igniterrae thermus igniterrae thermus igniterrae is a bacterium belonging to the deinococcota phylum, known to be present in hazardous conditions. this species was identified in iceland, together with thermus antranikianii. thermus igniterrae scientific classification domain: bacteria phylum: deinococcota class: deinococci order: thermales family: thermaceae genus: thermus species: t. igniterrae binomial name thermus igniterraechung, rainey, valente, nobre, & da costa, 2000