Story perspectives
Ancient Predator Worm Discovered in Grand Canyon Fossils
8/20/2025
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Story summary
- A new species of penis worm, Kraytdraco spectatus, was discovered in the Grand Canyon, dating back 500 million years.
- The fossil exhibits complex feeding adaptations, including a retractable throat with teeth, suggesting it was a predator.
- This discovery improves knowledge of early marine ecosystems and evolutionary changes during the Cambrian explosion.
- The study, published in Science Advances, underscores the Grand Canyon's importance for paleontological research.
