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Science 3 September 2004:
Vol. 305. no. 5689, p. 1386
DOI: 10.1126/science.305.5689.1386a
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News of the Week

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

Erik Stokstad

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.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)