oceanirhabdus oceanirhabdus oceanirhabdus is a gram-positive, spore-forming, rod-shaped and peritrichous genus of bacteria from the family of clostridiaceae with one known species (oceanirhabdus sediminicola). oceanirhabdus sediminicola has been isolated from sediments from the south china sea. oceanirhabdus scientific classification domain: bacteria phylum: bacillota class: clostridia order: clostridiales family: clostridiaceae genus: oceanirhabduspi et al. 2013 species o. sediminicola