Complex sentence: Stegodonts lived in large parts of Asia during the Pliocene and Pleistocene epochs, It lived from 11.6 mya--11,000 years ago, existing for approximately.
Split into simpler sentences: Stegodonts lived in large parts of Asia during the Pliocene and Pleistocene epochs. They were present from 11.6 mya--11,000 years ago, existing for approximately.