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)
Cetacea (order)
Mysticeti (suborder)
Eschrichtiidae (family)
Eschrichtius robustus (species)
California gray whale (primary common name)
[hide inferior taxa]