chloroflexus aggregans chloroflexus aggregans chloroflexus aggregans is a thermophilic, filamentous, phototrophic bacterium that forms dense cell aggregates. its type strain is strain md-66 (= dsm 9485). chloroflexus aggregans scientific classification domain: bacteria phylum: chloroflexota class: chloroflexia order: chloroflexales family: chloroflexaceae genus: chloroflexus species: c. aggregans binomial name chloroflexus aggreganshanada et al. 1995