gramella aestuarii gramella aestuarii gramella aestuarii is a gram-negative and strictly aerobic bacterium from the genus of gramella which has been isolated from tidal flat from boseong in korea. gramella aestuarii scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: gramella species: g. aestuarii binomial name gramella aestuariijeong et al. 2013 type strain bs12