arthrobacter livingstonensis arthrobacter livingstonensis arthrobacter livingstonensis is a species of bacteria. it is psychrotolerant, halotolerant, gram-positive, motile and facultatively anaerobic. it possesses a rod–coccus cycle. arthrobacter livingstonensis scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: micrococcaceae genus: arthrobacter species: a. livingstonensis binomial name arthrobacter livingstonensisganzert et al. 2011 type strain dsm 22825li2nccb 100314