<http://schema.org/alternativeHeadline>
"The newly identified creature had a segmented body with about a dozen pairs of attached limbs that enabled it to swim or crawl."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/animals/stories/ancient-creature-had-mega-claw-and-spider-like-nervous-system>