#order_Rickettsiales__Rickettsiales  pleomorphic gram-negative microorganisms
  supertype:  #animal_order  the order of animals
  member:  #family_Rickettsiaceae  #family_Chlamydiaceae
  member of:  #division_Eubacteria  one-celled monerans having simple cells with rigid walls and (in motile types) flagella
     member of:  #kingdom_Monera__Monera  prokaryotic bacteria and blue-green algae and various primitive pathogens; because of lack of consensus on how to divide the organisms into phyla informal names are used for the major divisions

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