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*Yorkicystis*, the 500 million-year-old relative of starfish that lost its skeleton

  • Written by Samuel Zamora, Científico Titular (Paleontólogo), Instituto Geológico y Minero de España (IGME - CSIC)
*Yorkicystis*, the 500 million-year-old relative of starfish that lost its skeletonReconstruction of the prehistoric *Yorkicystis haefneri* adapted from fossil evidence, created by Hugo Salais (Metazoa Studio).Samuel Zamora, CC BY-ND

After four years of digging for fossils in a churchyard in York, Pennsylvania, amateur paleontologist Chris Haefner made an intriguing find. “I knew it was worth keeping,” he said. He...

Read more: *Yorkicystis*, the 500 million-year-old relative of starfish that lost its skeleton

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