@natgeo

National Geographic

In the depths of the Grand Canyon, scientists uncovered the fossil of a truly bizarre creature with a retractable throat lined with spiky teeth. Named Kraytdraco spectatus—after a sand-burrowing beast from Star Wars—this ancient "penis worm" sheds light on priapulids, one of Earth’s oldest groups of predators. Learn more about this fascinating discovery at the 🔗 in bio.

On the profile · Aug 2, 2025