- Equus, genus Equus - type genus of the Equidae: only surviving genus of the family Equidae
--1 is a kind of mammal genus
--1 is a member of Equidae, family Equidae
--1 has members:horse, Equus caballus; ass; domestic ass, donkey, Equus asinus; mule; hinny; wild ass; zebra; quagga, Equus quagga