Rank Genus | Phylum Chordata Order Perissodactyla | |
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Similar Astrohippus, Cormohipparion, Pseudhipparion, Dinohippus, Neohipparion | ||
Protohippus is an extinct three-toed genus of horse. It was roughly the size of a modern donkey. Fossil evidence suggests that it lived during the Late Miocene and Early Pliocene, from about 14 Ma to 6 Ma.
Analysis of Protohippus'' skull and teeth suggests that it is most closely related to the genus Calippus.
Species include:
How to say protohippus high quality voices
References
Protohippus Wikipedia(Text) CC BY-SA