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)
Alouatta (genus)
Alouatta sp. (species)
howler monkey (primary common name)
[hide inferior taxa]