Hyracotherium (/ˌhaɪrəkoʊˈθɪəriəm, -kə-/ HY-rək-o-THEER-ee-əm; "hyrax-like beast") is an extinct genus of very small (about 60 cm in length) perissodactyl...

only species is E. angustidens, which was long considered a species of Hyracotherium. Its remains have been identified in North America and date to the Early...

(Cope, 1881) †P. montanum Wortman, 18961 Synonyms Hyracotherium venticolum Cope, 1881 Hyracotherium vasacciense venticolum Kitts, 1956 Eohippus venticolum...

referred to in earlier literature as Hyracotherium sandrae, but Froehlich, arguing that the traditional genus Hyracotherium was not monophyletic, reassigned...

developed a hoof at this point, rather it still had pads as seen in Hyracotherium and Orohippus. The face of Mesohippus was longer and larger than earlier...

early Eocene, 54 million years ago. They had been assigned to the genus Hyracotherium, but the type species of that genus is now considered not a member of...

present day. The earliest known member of the family Equidae was the Hyracotherium, which lived between 45 and 55 million years ago, during the Eocene...

Eocene epoch, 54 million years ago. They were once assigned to the genus Hyracotherium, but the type species of that genus is now regarded as a palaeothere...

pre-existing species. For example, it is sometimes claimed that the extinct Hyracotherium, which was an early horse that shares a common ancestor with the modern...

were a prominent feature of Eocene marine ecosystems. Moeritherium Hyracotherium Brontotherium Basilosaurus Andrewsarchus Borealosuchus Gastornis Pakicetus...