cryobacterium flavum cryobacterium flavum cryobacterium flavum is a gram-positive and rod-shaped bacterium from the genus cryobacterium which has been isolated from glacier ice from xinjiang in china. cryobacterium flavum scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: microbacteriaceae genus: cryobacterium species: c. flavum binomial name cryobacterium flavumliu et al. 2012 type strain cgmcc 1.11215nbrc 107879hh8