lacrimispora amygdalina lacrimispora amygdalina lacrimispora amygdalinum is a gram-positive, anaerobic and rod-shaped bacterium from the genus lacrimispora which has been isolated from sludge from a wastewater treatment plant in the netherlands. lacrimispora amygdalina scientific classification domain: bacteria phylum: bacillota class: clostridia order: eubacteriales family: lachnospiraceae genus: lacrimispora species: l. amygdalina binomial name lacrimispora amygdalina(parshina et al. 2003) haas and blanchard 2020 type strain atcc baa-501, br-10, dsm 12857 synonyms clostridium amygdalinum