bulleidia extructa bulleidia extructa bulleidia extructa is a gram-positive, anaerobic and non-spore-forming bacterium from the genus of bulleidia. bulleidia extructa scientific classification domain: bacteria phylum: bacillota class: erysipelotrichi order: erysipelotrichales family: erysipelotrichidae genus: bulleidia species: b. extructa binomial name bulleidia extructadownes et al. 2000 type strain atcc baa-170, dsm 13220, w 1219