Scientists have found evidence that a 300-million-year-old sea creature previously thought to be the world's oldest octopus is actually a nautilus relative.

Add Yahoo as a preferred source to see more of our stories on Google. Rare footage of a nautilus recently filmed in the south Pacific Ocean. The biologists were ecstatic. Today, the creatures aren't ...

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 concludes that ...

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 ...