The oldest known horse, which is called __________, had four toes on each fore foot, three toes on each hind foot, and simple molar teeth.

Question

Quizplus · Accepted Answer

The description given matches that of Hyracotherium, which lived around 55 million years ago and is considered the earliest known ancestor of horses. Equus, on the other hand, is a genus of modern-day horses, while Hipparion and Mesohippus are intermediate forms of horses that lived after Hyracotherium but before the emergence of Equus.

The Oldest Known Horse, Which Is Called __________, Had Four