the animal family Equidae, once comprised of more than 40 genera and now represented by one surviving genus, Equus: noted as capable runners with muscular bodies and long legs, Equus members include horses, donkeys, zebras, and all their subspecies and hybrids.
- See also equine.
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How to use horse family in a sentence
Equid, the horse family, a division of the odd-toed (perissodactyle) Ungulates or hoofed mammals.The New Gresham Encyclopedia | Various
By the end of the Eocene a three-toed genus of the horse family had appeared, as large as a sheep.The Elements of Geology | William Harmon Norton
In all respects the members of the horse family have become more and more horse-like in the course of time.Evolution | Joseph Le Conte
In the horse family every step of this reduction and consolidation may be traced in the course of its geological history.Evolution | Joseph Le Conte
The history of the horse family furnishes an excellent illustration of certain evolutionary changes among mammals.Geology | William J. Miller