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)
Artiodactyla (order)
Ruminantia (suborder)
Bovidae (family)
Bovinae (subfamily)
Bos (genus)
Bos mutus (species)
Bos mutus grunniens (subspecies)
yak (primary common name)
[show inferior taxa]