citrimicrobium citrimicrobium "citrimicrobium" is a gram-negative, pleomorphic and motile bacteria genus from the family erythrobacteraceae with one known species ("citrimicrobium luteum"). citrimicrobium luteum has been isolated from the gut of the sea cucumber stichopus japonicus from the jeju island in korea. "citrimicrobium" scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: erythrobacteraceae genus: "citrimicrobium"jung et al. 2014 species "c. luteum" jung et al. 2014