[elbucko]

This idea was debunked several years ago due to dis-similar traits in the supposed progression of the animals..

It was my understanding that it was back in fashion, again. More equine fossils were found since the Chicago museum.

[webstersII]

"It was my understanding that it was back in fashion, again. More equine fossils were found since the Chicago museum."

It's been a few years since I have read about this. The original progression had dogs to horses, which is totally absurd.