cryobacterium arcticum cryobacterium arcticum cryobacterium arcticum is a gram-positive, psychrotolerant and aerobic bacterium from the genus cryobacterium which has been isolated from soil from store koldewey in greenland. cryobacterium arcticum scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: microbacteriaceae genus: cryobacterium species: c. arcticum binomial name cryobacterium arcticumbajerski et al. 2011 type strain dsm 22823nccb 100316sk1