page_title: Equidae
section_title: Classification
hierarchical_section_title: Equidae / Classification
caption_attribution_description: Przewalski's Horse (Equus ferus przewalskii or Equus caballus przewalskii).
context_page_description: Equidae is the taxonomic family of horses and related animals, including the extant horses, donkeys, and zebras, and many other species known only from fossils. All extant species are in the genus Equus. Equidae belongs to the order Perissodactyla, which includes the extant tapirs and rhinoceros, and several extinct families.
  The term equid refers to any member of this family, including any equine.
context_section_description: Order Perissodactyla (In addition to Equidae, Perissodactyla includes four species of tapir in a single genus, as well as five living species (belonging to four genera) of rhinoceros.) † indicates extinct taxa.
  Family Equidae
  Genus †Epihippus
  Genus †Haplohippus
  Genus †Eohippus
  Genus †Minippus
  Genus †Orohippus
  Genus †Pliolophus
  Genus †Protorohippus
  Genus †Sifrhippus
  Genus †Xenicohippus
  Genus †Eurohippus
  Genus †Propalaeotherium
  Subfamily †Anchitheriinae
  Genus †Anchitherium
  Genus †Archaeohippus
  Genus †Desmatippus
  Genus †Hypohippus
  Genus †Kalobatippus
  Genus †Megahippus
  Genus †Mesohippus
  Genus †Miohippus
  Genus †Parahippus
  Genus †Sinohippus
  Subfamily Equinae
  Genus †Merychippus
  Genus †Scaphohippus
  Genus †Acritohippus
  Tribe †Hipparionini
  Genus †Eurygnathohippus
  Genus †Hipparion
  Genus †Hippotherium
  Genus †Nannippus
  Genus †Neohipparion
  Genus †Proboscidipparion
  Genus †Pseudhipparion
  Tribe Equini
  Genus †Haringtonhippus
  Genus †Heteropliohippus
  Genus †Parapliohippus
  Subtribe Protohippina
  Genus †Calippus
  Genus †Protohippus
  Subtribe Equina
  Genus †Astrohippus
  Genus †Dinohippus
  Genus Equus (22 species, 7 extant)
  Genus †Hippidion
  Genus †Onohippidium
  Genus †Pliohippus
caption: Equus (Przewalski's horse)
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