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 ...

Add Yahoo as a preferred source to see more of our stories on Google. A prehistoric fossil previously thought to belong to the world's oldest octopus has been reclassified as something else, after ...

Pohlsepia mazonensis, a visually underwhelming fossil from Illinois, fundamentally broke our understanding of cephalopod evolution. Described in 2000 and hailed as the oldest known octopus in the ...

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 ...

An artist's impression of what the animal would have looked like A 300‑million‑year‑old fossil, previously thought to be the remains of the world's oldest octopus, has been identified as a different ...

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 300‑million‑year‑old fossil, previously thought to be the remains of the world's oldest octopus, has been identified as a different animal. Using the latest technology to search inside the fossil, ...