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Asses
Encyclopedia entry from: The Gale Encyclopedia of Science
...include three of the seven species that make up the family Equidae, which also includes horses and zebras. Wild asses are completely...more than a KEY TERMS Equid — Any member of family Equidae, including horses, zebras, and asses. Feral —...
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zebra
Book article from: The Columbia Encyclopedia, Sixth Edition
...crossed with horses in an attempt to produce a draft animal, but the offspring have proved sterile and unreliable. Zebras are classified in the phylum Chordata , subphylum Vertebrata, class Mammalia, order Perissodactyla, family Equidae.
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quagga
Book article from: The Columbia Encyclopedia, Sixth Edition
...almost certainly a variant of the common zebra rather than a separate species ( E. quagga ) as was once believed. Quaggas are classified in the phylum Chordata , subphylum Vertebrata, class Mammalia, order Perissodactyla, family Equidae.
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mule
Book article from: The Columbia Encyclopedia, Sixth Edition
...the southeastern states. Mules were used extensively for military transport before the advent of mechanization. They are classified in the phylum Chordata , subphylum Vertebrata, class Mammalia, order Perissodactyla, family Equidae.
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mustang
Book article from: The Columbia Encyclopedia, Sixth Edition
...horse, so that all horses of the W United States probably have mustang blood. The mustang, a variety of Equus caballus, is classified in the phylum Chordata , subphylum Vertebrata, class Mammalia, order Perissodactyla, family Equidae.
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Ungulates
Encyclopedia entry from: The Gale Encyclopedia of Science
...have an odd number of toes (usually one) that form a single, large hoof. Examples of this order include horses (family Equidae), tapirs (Tapiridae), and rhinos (Rhinocerotidae), together comprising six extant genera and 16 species. At the time...
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Donkeys
Encyclopedia entry from: The Gale Encyclopedia of Science
...three families of odd-toed ungulates, the tapirs, the rhinoceros, and the horses. Donkeys belong to the horse family Equidae, which has only one genus ( Equus ) and six species. The African wild ass ( Equus africanus ) is thought to be the ancestor...
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onager
Book article from: World Encyclopedia
...areas of Iran and India. The onager is dun-coloured with a dorsal stripe that reaches the tip of the tail. Height at the shoulder: 0.9–1.5m (2.9–4.9ft). Family Equidae; species Equus hemionus onager.
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ass
Book article from: The Columbia Encyclopedia, Sixth Edition
...where they have given rise to some confusion about the number of true wild asses left in existence. Classification Asses are classified in the phylum Chordata , subphylum Vertebrata, class Mammalia, order Perissodactyla, family Equidae.
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Przewalski's horse
Book article from: The Columbia Encyclopedia, Sixth Edition
...made to breed back a tarpan-like horse from domestic horses believed to have been interbred with tarpans. Wild horses are classified in the phylum Chordata , subphylum Vertebrata, class Mammalia, order Perissodactyla, family Equidae.
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