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)
Palaeognathae (superorder)
Struthioniformes (order)
Struthionidae (family)
Struthio camelus (species)
ostrich (primary common name)
[show inferior taxa]