Definition of Hyracotherium
1. Noun. Extinct horse genus; formerly called eohippus.
Generic synonyms: Mammal Genus
Group relationships: Equidae, Family Equidae
Member holonyms: Dawn Horse, Eohippus
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Lexicographical Neighbors of Hyracotherium
Literary usage of Hyracotherium
Below you will find example usage of this term as found in modern and/or classical literature:
1. Catalogue of the Fossil Mammalia in the British Museum, (Natural History) by Richard Lydekker (1886)
"Purchased, 1853. 36572. Several detached upper and lower premolars ; from the Lower Eocene of Kyson. Purchased, 1853. hyracotherium angustidens ..."
2. Annals and Magazine of Natural History by William Jardine (1842)
"... extinct genua hyracotherium, established on a nearly entire cranium obtained by Mr. Richardson from the London clay near Herne Bay, in. ..."
3. The New International Encyclopædia edited by Daniel Coit Gilman, Harry Thurston Peck, Frank Moore Colby (1903)
"Its relation to the horse was not at all suspected, and was recognized by Huxley and Marsh only when the series of intermediate stages between hyracotherium ..."
4. The Primary Factors of Organic Evolution by Edward Drinker Cope (1904)
"In hyracotherium these digits have disappeared. Further, in hyracotherium the internal cusps of the molars are more or less connected with the external by ..."
5. The American Naturalist by American Society of Naturalists, Essex Institute (1896)
"In comparing the upper molars of both types of hyracotherium of England with ... Again the third upper premolar in the English types of hyracotherium is ..."