lacrimispora aerotolerans lacrimispora aerotolerans lacrimispora aerotolerans is an anaerobic, motile, gram-positive bacterium. lacrimispora aerotolerans scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: lachnospiraceae genus: lacrimispora species: l. aerotolerans binomial name lacrimispora aerotolerans(van gylswyk and van der toorn 1987) haas and blanchard 2020 synonyms clostridium aerotolerans van gylswyk and van der toorn 1987; emend. chamkha et al. 2001 lacrimispora aerotolerans is xylanolytic, which means that these bacteria can digest the polysaccharides collectively known as xylan. among this species' products are formic acid, acetic acid, lactic acids, ethanol, carbon dioxide, and hydrogen.