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Mazon Creek

Ancient "fish" fossil revealed as 390-million-year-old sea scorpion

More than two decades after scientists identified a fossil as the world's oldest octopus — officials now say it wasn't one at all.

14 Apr 2026-09:31
Famous 300 million year old octopus fossil unmasked as a nautilus

A famous 300-million-year-old fossil that was thought to be the world's oldest octopus—even featuring in the Guinness Book of Records—has turned out to be something else altogether.

08 Apr 2026-15:30