The discovery of a new species of extinct monk seal in New Zealand suggests that many seals evolved in the southern hemisphere and repeatedly crossed the equator
Source:
https://www.newscientist.com/article/2259375-giant-seal-fossil-found-in-new-zealand-hints-they-evolved-in-the-south/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home