google/5GKnNEYy7hdV... 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.
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“One-in-a-million” sea creature fossil preserves soft tissue for 450 million years | ScienceDaily share.google/5GKnNEYy7hdV... 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...