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)
Cricetidae (family)
Sigmodontinae (subfamily)
Sigmodon (genus)
Sigmodon fulviventer (species)
[show inferior taxa]