Half-a-billion-year-old 3-eyed sea creature dubbed 'Mosura' breathed through big gills on its butt

Researchers have discovered an ancient moth-like sea predator in a treasure trove of museum fossils in Canada. The half-a-billion-year-old creature, Mosura fentoni, reveals that Cambrian arthropods were more diverse than previously thought.

May 16, 2025 - 10:00
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Half-a-billion-year-old 3-eyed sea creature dubbed 'Mosura' breathed through big gills on its butt
Researchers have discovered an ancient moth-like sea predator in a treasure trove of museum fossils in Canada. The half-a-billion-year-old creature, Mosura fentoni, reveals that Cambrian arthropods were more diverse than previously thought.