aestuariicoccus aestuariicoccus aestuariicoccus is a gram-negative and strictly aerobic genus of bacteria from the family of rhodobacteraceae with one known species (aestuariicoccus marinus). aestuariicoccus marinus has been isolated from tidal flat sediments from the yellow sea in korea. aestuariicoccus scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: aestuariicoccusfeng et al. 2018 type species aestuariicoccus marinus species a. marinus