| rickettsia aeschlimannii | species | bacteria | bacteria | species | 45262 |
| rickettsia africae | species | bacteria | bacteria | species | 35788 |
| rickettsia africae esf-5 | no rank | bacteria | bacteria | no rank | 347255 |
| rickettsia conorii | species | bacteria | bacteria | species | 781 |
| rickettsia endosymbiont of amblyomma variegatum | species | | | species | 1206894 |
| rickettsia hoogstraalii | subspecies | bacteria | bacteria | species | 467174 |
| rickettsia massiliae | species | bacteria | bacteria | species | 35791 |
| rickettsia rickettsii | species | bacteria | bacteria | species | 783 |
| rickettsia sibirica | species | bacteria | bacteria | species | 35793 |
| rickettsia sp. | species | bacteria | bacteria | species | 789 |