The fossilised remains of the animal were discovered in what is now Montana back in 1988 but it has only been identified as a new species of vampyropod now. This group of soft-bodied cephalopods was previously believed to have eight arms, but the new species actually has 10. 'This is the first and only known vampyropod to possess 10 functional appendages,' said Dr Whalen. During their new analysis of the fossil, the researchers found that the species had 10 arms with suckers, and dated back 328 million years – 82 million years older than the previous earliest record. 'The arm...