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The fossil is considered the oldest recorded evidence of nautiloid soft tissue preservation ever discovered. Scientific knowledge is constantly updated, revised, or reshuffled as new insights emerge.

More than two decades after scientists identified a fossil as the world’s oldest octopus — officials now say it wasn’t one at all. A recent study published in the journal Proceedings of the Royal ...

More than two decades after scientists identified a fossil as the world's oldest octopus — officials now say it wasn't one at all. A recent study published in the journal Proceedings of the Royal ...

LONDON (AP) — A 300-million-year-old tentacled sea creature has lost its crown as the world’s oldest octopus, after scientists found evidence that it’s not an octopus at all. Newly published research ...

FILE -Field Museum and Chicago's skyline is seen from Soldier Field prior to an NFL preseason football game between the Chicago Bears and the Tennessee Titans, Aug ...

A prehistoric fossil previously thought to belong to the world's oldest octopus has been reclassified as something else, after scientists discovered the remains actually belonged to a different type ...

The story of a 300-million-year-old fossil has been rewritten after scientists discovered that it doesn’t actually belong to the world’s oldest octopus as previously thought. In fact, it belongs to an ...

A 300-million-year-old fossil that earned a Guiness World Record in 2015 as the world’s oldest octopus, has now been reclassified after new research published in Proceedings of the Royal Society B.

In 2000, researchers described an odd fossil found not far from Chicago. It had a round body, finlike structures on one end and a tangle of arms. The fossil was classified as an octopus and named ...

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. In what amounts to ...

A famous “oldest octopus” fossil has been exposed as a case of mistaken identity. Advanced imaging revealed hidden teeth showing it was actually related to a nautilus, not an octopus. The confusion ...