thermogutta terrifontis thermogutta terrifontis thermogutta terrifontis is a thermophilic bacterium from the genus of thermogutta which has been isolated from a hot spring from kurils in russia. thermogutta terrifontis scientific classification domain: bacteria phylum: planctomycetota class: planctomycetia order: pirellulales family: thermoguttaceae genus: thermogutta species: t. terrifontis binomial name thermogutta terrifontisslobodkina et al. 2015 type strain dsm 26237, vkm b-2805, strain r1