sphingopyxis granuli sphingopyxis granuli sphingopyxis granuli is a bacterium. it is a gram-negative, non-spore-forming, rod-shaped bacterium. its type strain is kw07t (= kctc 12209t = nbrc 100800t). sphingopyxis granuli scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: sphingomonadaceae genus: sphingopyxis species: s. granuli binomial name sphingopyxis granulikim et al. 2011