Fossil Discovery Rewrites Spider Evolution Timeline Published: July 25, 2025 A 500-million-year-old fossil, Mollisonia symmetrica, discovered in Canada, is reshaping our understanding of spider evolution. Researchers using advanced brain analysis techniques found that this ancient sea-dwelling creature may be an ancestor of modern spiders. "This fossil bridges a critical gap in arachnid history," said paleontologist Dr. Laura Kim. The discovery, trending on X, has sparked debates about the origins of other arthropods like scorpions and crabs. Why It Matters: The fossil offers new insights into the evolutionary pathways of some of Earth’s most resilient creatures.

Fossil Discovery Rewrites Spider Evolution Timeline

ByTechnoAdvice

A 500-million-year-old fossil, Mollisonia symmetrica, discovered in Canada, is reshaping our understanding of spider evolution. Researchers using advanced brain analysis techniques found that this ancient sea-dwelling creature may be an ancestor of modern spiders. “This fossil bridges a critical gap in arachnid history,” said paleontologist Dr. Laura Kim. The discovery, trending on X, has sparked…