rubidimonas crustatorum rubidimonas crustatorum rubidimonas crustatorum is a gram-negative, aerobic, rod-shaped and non-motile bacterium from the genus of rubidimonas which has been isolated from squillidae from the ariake sea near nagasaki on japan. rubidimonas crustatorum scientific classification domain: bacteria phylum: bacteroidota class: saprospiria order: saprospirales family: saprospiraceae genus: rubidimonas species: r. crustatorum binomial name rubidimonas crustatorumyoon et al. 2012