antarcticimicrobium sediminis antarcticimicrobium sediminis antarcticimicrobium sediminis is a gram-negative, aerobic and non-motile bacterium from the genus of antarcticimicrobium. antarcticimicrobium sediminis scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: antarcticimicrobium species: a. sediminis binomial name antarcticimicrobium sediminiszhang et al. 2020 type strain s4j41