| rickettsia amblyommatis | species | bacteria | bacteria | species | 33989 |
| rickettsia bellii | species | bacteria | bacteria | species | 33990 |
| rickettsia endosymbiont of amblyomma dubitatum | species | | | species | 1148758 |
| rickettsia felis | species | bacteria | bacteria | species | 42862 |
| rickettsia monacensis | species | bacteria | bacteria | species | 109232 |
| rickettsia parkeri | species | bacteria | bacteria | species | 35792 |
| rickettsia raoultii | species | bacteria | bacteria | species | 369822 |
| rickettsia rickettsii | species | bacteria | bacteria | species | 783 |
| rickettsia sp. | species | bacteria | bacteria | species | 789 |
| rickettsia sp. 'atlantic rainforest' | no rank | bacteria | bacteria | species | 676198 |