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Scientists Found a 520-Million-Year-Old Miracle: a Fossil With Brains and Guts Intact
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2024-11-11
Oddly enough, that source doesn't imply soft tissues were preserved. They can tell some things about its brain and guts based on outlines left behind. And also from what they know of other arthropod fossils from the same era - undercutting the uniqueness.
This one is special because it isn't smushed flat like most fossils in this deposit.