arenibacterium arenosum arenibacterium arenosum arenibacterium arenosum is a gram-negative, aerobic, rod-shaped and non-motile bacterium from the genus of arenibacterium which has been isolated from sand from the coast of korea. arenibacterium arenosum scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: arenibacterium species: a. arenosum binomial name arenibacterium arenosumjeong et al. 2022 type strain cau 1593t