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Twenty years and 7,500 fossils reveal what blurs Earth's marine fossil record

In productive marine environments, a square meter (10.8 square feet) of seafloor can be perforated by hundreds to thousands of isolated and interconnected tunnels through which crawl and writhe a cornucopia of clams, shrimp, sea stars, sand dollars, snails, worms and other animals.

Phys.org

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Compiled by CurrentWire News Desk

Summary based on reporting from Phys.org.

Twenty years and 7,500 fossils reveal what blurs Earth's marine fossil record
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