English: Horse family.
Zoology: 1 genus; horse, donkey, zebra, onager.
EquidaeGenera: Equus: Horse, zebra
EquidaeTapiridaeRhinocerotidae†Lambdotheriidae
†Brontotheriidae
†Palaeotheriidae
†Isectolophidae
†Pachynolophidae
†Chalicotheriidae
†Lophiodontidae
†Lophialetidae
†Helaletidae
†Deperetellidae
†Hyrachyidae
†Hyracodontidae
†Rhodopagidae
†Amynodontidae