Learn English: Ancient Sea 'Moth' Baffles Scientists (normal)

Mosura fentoni, a Cambrian radiodont, challenges our understanding of ancient life with its three eyes.

This 2.5-inch creature, found in Burgess Shale fossils, had specialized grasping claws and a circular mouth.

Despite its unusual features, anatomical analysis reveals surprising links to present-day arthropods.

New research suggests Mosura's seemingly alien traits might be less unique than initially thought.