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)
Galliformes (order)
Tetraonidae (family)
grouses (common name)
[hide inferior taxa]
Bonasa umbellus (species)
Centrocercus urophasianus (species)
Tympanuchus cupido (species)