Kingdom Animalia Class Mammalia Family Equidae | Phylum Chordata Order Perissodactyla Rank Genus | |
Similar Haplohippus, Sinohippus, Kalobatippus, Eurygnathohippus, Pseudhipparion |
Protorohippus is an extinct equid that lived in the Eocene of North America.
References
Protorohippus Wikipedia(Text) CC BY-SA