roseovarius aestuarii roseovarius aestuarii roseovarius aestuarii is a gram-negative and motile bacterium from the genus of roseovarius which has been isolated from tidal flat sediments from the yellow sea in korea. roseovarius aestuarii scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: roseovarius species: r. aestuarii binomial name roseovarius aestuariiyoon et al. 2008 type strain ccug 55325, kctc 22174, strain smk-122