the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Sarcopterygii (class)
Tetrapoda (no rank)
Amniota (no rank)
Mammalia (class)
Eutheria (superorder)
Rodentia (order)
Sciurognathi (suborder)
Muroidea (superfamily)
Muridae (family)
Murinae (subfamily)
Rattus (genus)
Rattus norvegicus (species)
Norway rat (primary common name)
[hide inferior taxa]