kluyvera cryocrescens kluyvera cryocrescens kluyvera cryocrescens is a bacterium, the type species of its genus. it is gram-negative, rod-shaped and motile with peritrichous flagella. kluyvera cryocrescens scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: enterobacterales family: enterobacteriaceae genus: kluyvera species: k. cryocrescens binomial name kluyvera cryocrescensfarmer et al. 1981