erythrobacter longus erythrobacter longus erythrobacter longus is a species of bacteria, the genus' type species. it contains bacteriochlorophyll a. it is motile by means of subpolar flagella. its type strain is och101 (= ifo 14126). erythrobacter longus scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: sphingomonadales family: erythrobacteraceae genus: erythrobacter species: e. longus binomial name erythrobacter longusshiba and simidu 1982