Who are Koalas ancestors?

Koalas are marsupials, and their ancestors can be traced back to the early marsupial lineage that emerged in Australia around 60 million years ago. Their closest living relatives are wombats, and they share a common ancestor with them. Fossil evidence suggests that ancient koala-like species existed millions of years ago, evolving distinct traits suited for their tree-dwelling lifestyle and diet of eucalyptus leaves.