Cryobacterium are a genus of aerobic, cold preferring, rod shaped bacteria. Their most known habitats are soil and glacier ice in the Antarctic and Arctic regions.
The genus Cryobacterium comes from the Greek words kryos meaning cold and bakterion. The type species is C. psychrophilum. Cryobacterium is a genus of bacteria of the phylum ActinobacteriaActinobacteria, class Actinobacteria, order Micrococcales and family Microbacteriaceae.