Pinniped
The fossil records show that phocids existed 12 to 15 million years ago, and odobenids about 14 million years ago. Their common ancestor must have existed even earlier than that.
Read more about this topic: Aquatic Adaptation
Pinniped
The fossil records show that phocids existed 12 to 15 million years ago, and odobenids about 14 million years ago. Their common ancestor must have existed even earlier than that.
Read more about this topic: Aquatic Adaptation