antarcticimicrobium antarcticimicrobium antarcticimicrobium is a bacterial genus from the family rhodobacteraceae. antarcticimicrobium scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: antarcticimicrobiumzhang et al. 2020 type species antarcticimicrobium sediminis species a. luteum a. sediminis