What family of classification is a zebra in?

There are more than one species of Zebras. These species are classified Animalia, Chordata, Mammalia, Perissodactyla, Equidae, Equus, zebra, or Animalia, Chordata, Mammalia, Perissodactyla, Equidae, Equus, quagga, or Animalia, Chordata Mammalia, Perissodactyla, Equidae, Equus, grevyi.