This “One-in-a-Million” Fossil Has 450-Million-Year-Old Soft Tissue

Nautilus · 2026-08-25

A recently discovered fossil, only the second of its kind, preserves 450-million-year-old soft tissue from a crinoid, offering unprecedented insight into ancient marine life. Discovered not in the field but within the collection of Montreal's Musée de paléontologie et de l’évolution, this specimen dates back over 200 million years before the first dinosaurs, to a time when many animals had yet to colonize dry land. Crucially, some of the crinoid’s delicate tube feet—fleshy stalks essential for feeding—have been preserved, seemingly crystalized into pyrite by bacteria before decay. These ancient feeding structures are significantly different from those of modern crinoids, providing experts with vital clues about the evolution of the creature’s feeding strategies and habits across millennia.

*The full article also explores the precise geological conditions that led to this "one-in-a-million" fossilization event.*

Read the original report at Nautilus