mycolicibacter longobardus mycolicibacter longobardus mycolicibacter longobardus (formerly mycobacterium longobardum) is a species of bacteria from the phylum actinomycetota. it is susceptible to sulfamethoxazole and clarithromycin. it has been associated with cases of osteomyelitis and an epidermal inclusion cyst of the hand, mycolicibacter longobardus scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: mycobacteriales family: mycobacteriaceae genus: mycolicibacter species: m. longobardus binomial name mycolicibacter longobardus(tortoli et al. 2013) gupta et al. 2018 type strain ccug 58460dsm 45394fi-07034 synonyms mycobacterium longobardum tortoli et al. 2013