sphingopyxis nepalensis sphingopyxis nepalensis sphingopyxis nepalensis is a gram-negative, rod-shaped and non-motile bacterium from the genus of sphingopyxis which has been isolated from oil-contaminated soil from biratnagar in nepal. sphingopyxis nepalensis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: sphingomonadaceae genus: sphingopyxis species: s. nepalensis binomial name sphingopyxis nepalensischaudhary and kim 2018 type strain jcm 32250, kacc 19389, kemb 9005-694, strain ktm-14