Discovery The Mystery of South America's False Horses Scott Admin posted on 2 years ago — updated on 1 second ago 189 views How did the "false horse," Thoatherium, and its relatives survive when their hoofed legs seemed to be adapted for an ecosystem that wouldn't exist for another 12 million years? animals discovery horses South America PBS EONS Scott Follow Author, educator, musician, dancer and all around creative type. Founder of "The Happy Now" website and the online jewelry store "Silver and Sage".