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)
Pinnipedia (order)
Phocidae (family)
Phoca (genus)
Phoca sibirica (species)
Phoca siberica (alias)
[hide inferior taxa]