In the entire 485-million-year fossil record of sea lilies, only one fossil had ever been found with the tube feet the animals catch their food with, and a pair of crushed specimens from a Quebec quarry has now produced the second and oldest case, at about 452 million years
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Two Dendrocrinus simcoensis fossils kept their tube feet as films of pyrite. Short and widely spaced at once, they combine measurements no living sea lily is known to combine, and they point at a feeding posture most modern stalked crinoids do not use.
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