👉 Xyelodontophis is a genus of extinct mammals known for their distinctive X-shaped teeth and jaw structure, which evolved during the Late Cretaceous period (about 68-59 million years ago) in North America.
👉 Xyelodontophis is a genus of extinct mammals known for their distinctive X-shaped teeth and jaw structure, which evolved during the Late Cretaceous period (about 68-59 million years ago) in North America.
