Hyracotherium - Wikipedia
Hyracotherium (/ ˌ h aɪ r ə k oʊ ˈ θ ɪər i ə m,-k ə-/ HY-rək-o-THEER-ee-əm; "hyrax-like beast") is an extinct genus of very small (about 60 cm in length) perissodactyl ungulates that was found in the London Clay formation.
Hyracotherium – Fossil Horses - Florida Museum
Dec 17, 2019 · Hyracotherium is now believed to be a primitive horse, the earliest-known member of the family Equidae. It lived in both the Old World and in North America. Specimens found in the United States were initially given the name “eohippus” by O. Marsh in 1876.
Eohippus | Size & Facts | Britannica
Eohippus, (genus Hyracotherium), extinct group of mammals that were the first known horses. They flourished in North America and Europe during the early part of the Eocene Epoch (56 million to 33.9 million years ago).
Horse - Evolution, Domestication, Anatomy | Britannica
Oct 26, 2024 · Eohippus (Hyracotherium) was the first ancestral horse to appear. The line leading from Eohippus to Equus, the modern horse, includes Orohippus, Epihippus, Mesohippus, Miohippus, Parahippus, Merychippus, and Pliohippus.
Eohippus - Wikipedia
The only species is E. angustidens, which was long considered a species of Hyracotherium (now strictly defined as a member of the Palaeotheriidae rather than the Equidae). Its remains have been identified in North America and date to the Early Eocene ( Ypresian stage ).
Hyracotherium - Prehistoric Wildlife
Size: Average 60 to 75 centimetres long. Known locations: Across the Northern hemisphere, But best known from Western Europe and North America. Time period: Ypresian to Lutetian of the Eocene. Fossil representation: Hundreds of specimens.
Hyracotherium - Oxford Reference
Oct 31, 2024 · Overview. Hyracotherium. Quick Reference. (suborder Hippomorpha, family Equidae) Known formerly as Eohippus (the ‘dawn horse’), the earliest known perissodactyl, an animal that was only 27 cm high, the size of a fox terrier. It was short-faced with low-crowned cheek teeth, and had four toes on the fore feet and three on the hind.
Horses Before the Cart | Natural History Museum
May 9, 2005 · Hyracotherium (once known as Eohippus = dawn horse) was the earliest known equid. It was a small, cat-size, mammal, 10-20" at the shoulder.
Facts About Eohippus - ThoughtCo
Nov 15, 2019 · Eohippus, aka Hyracotherium, is a good case study: This prehistoric horse was first described by the famous 19th century paleontologist Richard Owen, who mistook it for an ancestor of the hyrax, a small hoofed mammal—hence the name he bestowed on it in 1876, Greek for "hyrax-like mammal."
Mesohippus - Facts and Figures - ThoughtCo
Mar 6, 2017 · You can think of Mesohippus as Hyracotherium (the ancestral horse previously known as Eohippus) advanced a few million years: this prehistoric horse represented an intermediate stage between the smallish hooved mammals of the early Eocene epoch, about 50 million years ago, and the large plains grazers (like Hipparion and Hippidion) that ...
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