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Extinct equids restored to scale. Left to right: Mesohippus, Neohipparion, Eohippus, Equus scotti and Hypohippus. Wild horses have been known since prehistory from central Asia to Europe, with domestic horses and other equids being distributed more widely in the Old World, but no horses or equids of any type were found in the New World when European explorers reached the Americas.
Beginning of animal evolution. [54] [55] 720–630 Ma Possible global glaciation [56] [57] which increased the atmospheric oxygen and decreased carbon dioxide, and was either caused by land plant evolution [58] or resulted in it. [59] Opinion is divided on whether it increased or decreased biodiversity or the rate of evolution. [60] [61] [62 ...
Equidae (commonly known as the horse family) is the taxonomic family of horses and related animals, including the extant horses, asses, and zebras, and many other species known only from fossils. The family evolved more than 50 million years ago, in the Eocene epoch, from a small, multi-toed ungulate into larger, single-toed animals.
Equus (/ ˈ ɛ k w ə s, ˈ iː k w ə s /) [3] is a genus of mammals in the family Equidae, which includes horses, asses, and zebras.Within the Equidae, Equus is the only recognized extant genus, comprising seven living species.
History of the horse in Britain; History of the horse in the Indian subcontinent; Horse culture in Mongolia; Horse name; Horse symbolism; Horses in Brittany; Horses in Cameroon; Horses in Cuba; Horses in East Asian warfare; Horses in Jamaica; Horses in Slovenia; Horses in Sudan; Horses in the Napoleonic Wars; Horses in the United States; Horses ...
Hack, a basic riding horse, particularly in the UK, also includes Show hack horses used in competition. Heavy warmblood, heavy carriage and riding horses, predecessors to the modern warmbloods, several old-style breeds still in existence today. Hunter, a type of jumping horse, either a show hunter or a field hunter
The height of horses is measured at the highest point of the withers, where the neck meets the back. [23] This point is used because it is a stable point of the anatomy, unlike the head or neck, which move up and down in relation to the body of the horse.
Equinae is a subfamily of the family Equidae, known from the Hemingfordian stage of the Early Miocene (16 million years ago) onwards. [1] [2] They originated in North America, before dispersing to every continent except Australia and Antarctica.