Complex sentence: It was a wolflike predator from the Middle Eocene of Wyoming and East Asia (around 45 million years ago), its small dog-size agile limbs made it a fast runner, and it probably hunted hoofed plant eaters, moving lightly on its toes.
Split into simpler sentences: It was a wolflike predator from the Middle Eocene of Wyoming and East Asia (around 45 million years ago), its small dog-size. Agile limbs made it a fast runner, and it probably hunted hoofed plant eaters, moving lightly on its toes.