lutibacter aestuarii lutibacter aestuarii lutibacter aestuarii is a gram-negative, non-spore-forming and non-motile bacterium from the genus of lutibacter which has been isolated from sediments of tidal flat from the south sea in korea. lutibacter aestuarii scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: flavobacteriaceae genus: lutibacter species: l. aestuarii binomial name lutibacter aestuariilee et al. 2012 type strain ma-my1