cryobacterium psychrophilum cryobacterium psychrophilum cryobacterium psychrophilum is the type species of the bacterial genus cryobacterium. it is an obligately psychrophilic, gram-positive irregular rod-shaped actinomycete. cryobacterium psychrophilum scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: microbacteriaceae genus: cryobacterium species: c. psychrophilum binomial name cryobacterium psychrophilum(ex inoue and komagata 1976) suzuki et al. 1997 type strain jcm 1463iam 12024atcc 43563ifo 15735ncimb 2068 synonyms "curtobacterium psychrophilum" inoue and komagata 1976