| rickettsia bellii | species | bacteria | bacteria | species | 33990 |
| rickettsia endosymbiont of amblyomma dubitatum | species | | | species | 1148758 |
| rickettsia endosymbiont of amblyomma helvolum | species | | | species | 1274779 |
| rickettsia monacensis | species | bacteria | bacteria | species | 109232 |
| rickettsia raoultii | species | bacteria | bacteria | species | 369822 |
| rickettsia tamurae | species | bacteria | bacteria | species | 334545 |
| uncultured rickettsia sp. | no rank | bacteria | environmental samples | species | 249168 |