The Eohippus, “Dawn Horse” (aka Hyracotherium), comes to life in one of my favorite movies, The Valley of Gwangi–another wonderful special effect by the stop-action wizard, the late great Ray Harryhausen.
James Franciscus is about to be tempted into a very great folly…
Was there actually a prehistoric horse that small?
There was certainly a small animal that resembled a horse in many ways.
That might be a fun little pet.