Last year, a Stegosaurus nicknamed “Apex” sold at auction for US$40.5 million. A juvenile Ceratosaurus fetched US$30.5 million just last month.

Supporters of these sales argue that they’re harmless, or even good for science. Others compare fossils to art objects, praising their beauty or historical charm.

As paleontologists, we say plainly: these views could not be more misguided.

Fossils are neither art objects nor trophies. They are scientific data that provide a tangible record of Earth’s deep history. Fossils are essential tools for understanding evolution, extinction, climate change and the origins and disappearances of ecosystems.

Their true value lies not in their price tags, but in what they teach. Of course, some fossils are beautiful. So are endangered white rhinoceros, but no one argues that rhinos should be auctioned off to the highest bidder. A fossil’s worth isn’t defined by it’s beauty, but by its permanent scientific accessibility.

Paleontologists are historians of deep time, studying life through millions of years. Our field is a science built upon........

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