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)
Carnivora (order)
Mustelidae (family)
Lutra (genus)
[hide inferior taxa]
Lutra carnivora (species)
Lutra lutra (species)