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Ever Want to Curl Into a Ball? Here’s How Trilobites Did It.

Por: The New York Times Science December 20, 2023

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When the going got tough in the Paleozoic Era, trilobites rolled up. Armed with sturdy exoskeletons, these ancient arthropods curled up like armadillos to avoid predators or dangerous environmental conditions on the seafloor.Many trilobites have been found with their exoskeletons fossilized in a curled position, as if holding a perpetual stomach crunch. But few of these fossils preserve the internal anatomy that trilobites used to form a... + full article



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