Vörlaag:Equoidea
| Superregnum: || Eukaryota |- | Regnum: || Animalia |- | Phylum: || Chordata |- | Classis: || Mammalia |- | Subclassis: || Trechnotheria |- | Infraclassis: || Zatheria |- | Supercohort: || Theria |- | Cohort: || Eutheria |- | Magnordo: || Epitheria |- |Superordo: || Laurasiatheria |- | Ordo: || Perissodactyla |- | Superfamilia: || Equoidea