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:Newsbook: Read These 3 Books About Global WarmingScorching Summer in Europe Signals Long-Term Climate ChangesNASA Names Astronauts for Boeing and SpaceX Flights to International Space StationEclipse 2018: When is the next total solar eclipse in the USA?Art Lee, Fly-Fishing Virtuoso and Writer, Dies at 76Eclipse 2018: When does a lunar eclipse occur? When is the next lunar eclipse?