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)
Primates (order)
Platyrrhini (suborder)
Cebidae (family)
Aotus (genus)
Aotus nigriceps (species)
[hide inferior taxa]