There are a few synonyms for Genus Equetus, which refers to a group of animals that includes modern-day horses and their ancestors. One of the most common synonyms is Equus, which is the Latin name for the genus. Additionally, some scientists refer to this group as the Equidae family, which includes horses, donkeys, and zebras. Another synonym for the genus is Hippus, a Greek word meaning horse, which was commonly used in the past. Regardless of the name used, Genus Equetus contains some of the most important animals in human history, as horses have been essential to transportation, agriculture, and warfare for thousands of years.