the root (no rank)
Bacteria (domain)
Proteobacteria (phylum)
Alphaproteobacteria (class)
Rickettsiales (order)
Rickettsiaceae (family)
Rickettsia (genus)
[hide inferior taxa]
Rickettsia aeschlimannii (species)
Rickettsia africae (species)
Rickettsia akari (species)
Rickettsia andeana (species)
Rickettsia bellii (species)
Rickettsia conorii (species)
Rickettsia felis (species)
Rickettsia heilongjiangensis (species)
Rickettsia helvetica (species)
Rickettsia japonica (species)
Rickettsia massiliae (species)
Rickettsia monacensis (species)
Rickettsia montanensis (species)
Rickettsia peacockii (species)
Rickettsia prowazekii (species)
Rickettsia rhipicephali (species)
Rickettsia rickettsii (species)
Rickettsia sp. (species)
Rickettsia tsutsugamushi (species)
Rickettsia typhi (species)