Trilobites: Where Did Animals With Tail Weapons Go? Here’s a Back Story Scientists have identified traits that may have been related to dinosaurs like stegosaurus and ankylosaurus and other animals developing fearsome rear-end weapons. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:When Earthquakes Liquefy Soil, Devastation Can FollowGlobal Health: Over 80,000 Americans Died of Flu Last Winter, Highest Toll in YearsA Man Died After Being Infected With Brain-Eating Amoeba. Here’s What You Should Know.Nonfiction: The Bizarre Tale of the ‘Dinosaur Artist’ Who Trafficked in Stolen FossilsA Man Died After Being Infected With Brain-Eating Amoeba. Here’s What You Should Know.NASA asteroid WARNING: 850 FOOT asteroid barreling towards Earth THIS WEEK