#order_Rickettsiales__Rickettsiales  pleomorphic gram-negative microorganisms
  supertype:  animal_order  the order of animals
  member of:  division_Eubacteria
  member:  family_Rickettsiaceae__Rickettsiaceae  microorganism resembling bacteria inhabiting arthropod tissues but capable of causing disease in vertebrates
     member:  genus_Rickettsia  can cause typhus and Rocky Mountain spotted fever in humans
     member:  rickettsias__rickettsia  rod-shaped microorganisms resembling both bacteria and viruses; live in biting arthropods and cause disease in vertebrate hosts
  member:  family_Chlamydiaceae__Chlamydiaceae  gram-negative parasites in warm-blooded vertebrates
     member:  genus_Chlamydia  type genus of the family Chlamydiaceae: disease-causing parasites
        member:  chlamydia  coccoid rickettsia infesting birds and mammals; cause infections of eyes and lungs and genitourinary tract

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