“One-in-a-million” sea creature fossil preserves soft tissue for 450 million years
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21 أغسطس, 2026
Scientists have identified exceptionally rare soft tissue preserved in a 450-million-year-old crinoid fossil, more than 200 million years older than the first dinosaurs. Its delicate tube feet offer a remarkable new window into how some of Earth’s earliest reef animals lived, fed, and evolved.
