Related how?

Biota (Life)
Prokaryotes (Prokaryota)
Bacteria (Bacterium)
Negibacteria (Rjheekñndd)
Proteobacteria (Purple bacteria & relatives)
Alphaproteobacteria
Rickettsiales
Rickettsiaceae
Rickettsia
Rickettsia felis

Rickettsia felis urrwxcal2 (21398496)