Plesiosaur News

Latest Articles

• Cretaceous Cold Case Solved: Giant Fish Tooth Found Lodged in Ancient Plesiosaur Neck at Chicago Museum

  Published: Apr 28, 2026

  Section: Environment

  Paleontologists at Chicago's Field Museum have identified a 1.74-inch tooth fragment embedded in the neck of a 13-foot Polycotylus plesiosaur, revealing a violent encounter with a...