Hyracotherium – Fossil Horses https://www.floridamuseum.ufl.edu/fossil-horses/gallery/hyracotherium/
This small dog-sized animal represents the oldest known horse. It had a primitive short face, with eye sockets in the middle and a short diastema — the space between the front teeth and the cheek teeth. Although it has low-crowned teeth, we see the beginnings of the characteristic horse-like ri
Species in this genus lived from around 55 million years ago to around 45 million
