Example image of eyePlorer eyePlorer map for 'Evolution of the horse': Horse Hyracotherium Paleozoology Hoof Odd-toed ungulate Order (biology) Tooth Upper lip Common descent Rhinoceros Tapir Cretaceous–Tertiary extinction event Paleocene Steppe Tropical and subtropical moist broadleaf forests Equus (genus) Equidae Grass Conquistador Georges-Louis Leclerc, Comte de Buffon Big Bone Lick State Park Caspar Wistar (physician) Thomas Jefferson William Clark (explorer) Montmartre Paris Conservatoire de Paris Georges Cuvier Charles Darwin Patagonia Second voyage of HMS Beagle Armadillo Santa Fe, Argentina Stratum Academy of Natural Sciences Joseph Leidy Pleistocene Othniel Charles Marsh Thomas Henry Huxley American Museum of Natural History Transitional fossil George Gaylord Simpson Dinohippus Epihippus Geologic time scale Mesohippus Anagenesis Cladogenesis Fossa Hyrax
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