demequina flava demequina flava demequina flava is a gram-positive bacterium from the genus demequina which has been isolated from marine sediments from the rishiri island in japan. demequina flava scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: demequinaceae genus: demequina species: d. flava binomial name demequina flavahamada et al. 2013 type strain dsm 24865hr08-7nbrc 105854