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Crinoid columnals (Isocrinus nicoleti) are shown from the Middle Jurassic Carmel Formation at Mount Carmel Junction, Utah. Wikimedia Commons

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Science corner: The problem with the fossil record

By the early 1800s, many scientists already recognized life on Earth was ancient, had changed over time, and fossils represented prehistoric extinct creatures. Evolution wasn’t a new idea, but understanding how it worked awaited Charles Darwin’s 1859 publication of “On the Origin of Species.”

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