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Definitions
Century Dictionary and Cyclopedia
- n. A genus of Miocene and Pliocene fossil horses, of the family Equidæ, having three toes, a median functional hoof with a false hoof on each side. The species are regarded as in the direct line of descent of the living horse; they were of comparatively small size, from that of a goat to that of an ass. H. gracile is an example. Also called
Hippotherium .Christol, 1834.
Wiktionary
GNU Webster's 1913
- n. (Paleon.) An extinct genus of Tertiary mammals allied to the horse, but three-toed, having on each foot a small lateral hoof on each side of the main central one. It is believed to be one of the ancestral genera of the Horse family.
Etymologies
- From the genus name. (Wiktionary)
Examples
“Into the cleared area came galloping a hipparion, one of the donkey-sized three-toed horses of the Pliocene Epoch.”
“This includes such animals as the mastodon, hipparion, and many kinds of deer”
“The hipparion survived into this epoch, but the horse also makes its appearance.”
“In one of the latest examples, the inner splint-bone, answering to the second metacarpal of the pentadactyle foot, supported phalanges and a terminal hoof resembling the corresponding one in hipparion.”
“The transitory and singularly small and simple denticle in the horse exemplifies the rudiment of an ancestral structure in the same degree as do the hoofless splint-bones; just as the spurious hoofs dangling therefrom in hipparion are retained rudiments of the functionally developed lateral hoofs in the broader foot of palæotherium.”
“If the alternative -- species by miracle or by law -- be applied to palæotherium, paloplotherium, anchitherium, hipparion, equus,”
“In hipparion this tooth is smaller than in palæotherium, but functional and permanent.”
“If the species of palæothere, paloplothere, anchithere, hipparion, and horse be severally deemed due to remotely and successively repeated acts of creation; the successive going out of such species must have been as miraculous as their coming in.”
“The discovery of the remains of the hipparion supplied one of the links required by”
“We saw an animal resembling a deer on one hand, and a tapir on the other, as well as a kind of toed horse or hipparion, and a number of domestic pets all strange to us.”
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Words of Dinosaurology
This quickly got bigger and weirder than originally intended, so now it's housing terms that relate to the study of dinosaurs and other prehistoric creatures. See also Dinosaurs, Pterosaurs, Ichthy...
zygopophyses, ziphodont, plesiomorphic, cleidoic, endothermy, ectothermy, viviparous, vertebrae, cervical, dorsal, sacral, caudal and 628 more...
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