Trilobites: Ancient Spider-like Creature With Tail Found Trapped in Amber The Cretaceous-era arachnid had the front end of a spider and a scorpionlike tail appendage, but more specimens are required to find its place on the evolutionary tree. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Spring Equinox 2019 date: When is the Spring Equinox? What does the Equinox mean?Spring 2019: When is the start of Spring? First day of Spring 2019 REVEALEDSupermoon 2019: Watch the March Worm Supermoon coincide with the Spring EquinoxNASA meteor WARNING: NASA detects fireball EXPLOSION bigger than Hiroshima bomb88 Pounds of Plastic Found in Dead Whale in the PhilippinesSpace Is Very Big. Some of Its New Explorers Will Be Tiny.