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)
Perissodactyla (order)
Equidae (family)
Equus (genus)
Equus caballus (species)
domestic horse (primary common name)
horse (common name)
[hide inferior taxa]