exiguobacterium profundum exiguobacterium profundum exiguobacterium profundum is a gram-positive, halotolerant, facultative anaerobic, moderately thermophilic and non-spore-forming bacterium from the genus of exiguobacterium which has been isolade from a hydrothermal vent from the east pacific rise. exiguobacterium profundum scientific classification domain: bacteria phylum: bacillota class: bacilli order: bacillales family: bacillaceae genus: exiguobacterium species: e. profundum binomial name exiguobacterium profundumcrapart et al. 2007 type strain 10c synonyms exiguobacterium lactigenes