Hypohippus

Name: Hypohippus ‭(‬Low horse‭)‬.
Phonetic: Hy-poe-hip-pus.
Named By: Joseph Leidy‭ ‬-‭ ‬1869.
Synonyms: Anchitherium affinis.
Classification: Chordata,‭ ‬Mammalia,‭ ‬Perissodactyla,‭ ‬Equidae,‭ ‬Anchitheriinae.
Species: H.‭ ‬affinis‭ (‬type‭)‬,‭ ‬H.‭ ‬chico,‭ ‬H.‭ ‬equinus,‭ ‬H.‭ ‬nevadensis,‭ ‬H.‭ ‬osborni,‭ ‬H.‭ ‬pertinax.
Diet: Herbivore.
Size: Around‭ ‬1.8‭ ‬meters long.
Known locations: North America.
Time period: Miocene.
Fossil representation: Many specimens.

       Originally named after a species of Anchitherium,‭ ‬Hypohippus‭ ‬was a primitive three toed‭ ‬horse that browsed upon vegetation rather than grazing on grass.‭ ‬Hypohippus acquired its name from the low middle cusp of its molars.‭ ‬As a browser‭ ‬the teeth had proportionately lower crowns than the teeth of grazing horses.‭ ‬Hypohippus would have spent most of its time around wooded areas that had restricted open spaces,‭ ‬something that is in‭ ‬part reflected by legs which are proportionately shorter than the later‭ ‘‬running horses‭’ ‬that grazed upon the open plains.‭ ‬Hypohippus may have been hunted by bear dogs such as Amphicyon.‭ ‬Another primitive horse that was active at the same time as Hypohippus was Merychippus although this was a grazer not a browser.



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