root › cellular organisms › Eukaryota › Opisthokonta › Metazoa › Eumetazoa › Bilateria › Protostomia › Ecdysozoa › Panarthropoda › Arthropoda › Chelicerata › Arachnida › Acari › Parasitiformes › Ixodida › Ixodoidea › Ixodidae › Rhipicephalinae › Dermacentor › Dermacentor variabilis