News of the WeekPaleontology

400-Million-Year-Old Wounds Reveal a Time When Predators Romped

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Science  03 Sep 2004:
Vol. 305, Issue 5689, pp. 1386
DOI: 10.1126/science.305.5689.1386a

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Summary

On page 1453, two paleontologists show that stalked filter-feeders called crinoids suffered more and more injuries to their tentacle-like arms during a period when fish and other major predators were diversifying.