Ancient Sea Creature Pushes Back Origins of Spider Fangs to 518 Million Years Ago

Jul 1, 2026 - 12:00
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Ancient Sea Creature Pushes Back Origins of Spider Fangs to 518 Million Years Ago
An artist’s impression of Urokodia aequalis, a marine predator that lived in the Cambrian seas around 518 million years ago. Image credit: Xiaodong Wang.

Urokodia aequalis, an early Cambrian marine predator from the Chengjiang biota of China, preserves the earliest known evidence of chelicerae -- the pincer-like structures that later evolved into the fangs of spiders and the pincers of scorpions.

The post Ancient Sea Creature Pushes Back Origins of Spider Fangs to 518 Million Years Ago appeared first on Sci.News: Breaking Science News.

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