| candidatus rickettsia andeanae | subspecies | bacteria | bacteria | species | 273247 |
| rickettsia amblyommatis | species | bacteria | bacteria | species | 33989 |
| rickettsia bellii | species | bacteria | bacteria | species | 33990 |
| rickettsia conorii | species | bacteria | bacteria | species | 781 |
| rickettsia felis | species | bacteria | bacteria | species | 42862 |
| rickettsia monacensis | species | bacteria | bacteria | species | 109232 |
| rickettsia parkeri | species | bacteria | bacteria | species | 35792 |
| rickettsia parkeri str. at#24 | no rank | | | no rank | 1359202 |
| rickettsia rhipicephali | species | bacteria | bacteria | species | 33992 |
| rickettsia rickettsii | species | bacteria | bacteria | species | 783 |