ectothiorhodosinus ectothiorhodosinus ectothiorhodosinus is a genus of bacteria from the family of ectothiorhodospiraceae with one known species (ectothiorhodosinus mongolicus). ectothiorhodosinus mongolicus has been isolated the lake dzun-uldziit-nur in the mongolia. ectothiorhodosinus scientific classification domain: bacteria phylum: pseudomonadota class: gammaproteobacteria order: chromatiales family: ectothiorhodospiraceae genus: ectothiorhodosinusgorlenko et al. 2007 type species ectothiorhodosinus mongolicus species e. mongolicus