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)
Sauropsida (no rank)
Sauria (no rank)
Archosauria (no rank)
Aves (class)
Neognathae (superorder)
Charadriiformes (order)
Alcidae (family)
Fratercula (genus)
Fratercula corniculata (species)
[show inferior taxa]