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:Global Health: Tiny Nanoparticles to Treat a Huge Problem: SnakebitesCindy R. Lobel, Who Traced New York History Through Food, Dies at 48The New Old Age: Every Older Patient Has a Story. Medical Students Need to Hear It.Sloan Kettering Researchers Correct the Record by Revealing Company TiesReaders Tell Scientists Who Say Dogs Aren’t Geniuses: ‘My Dog Is Exceptional’Q&A: How the Humble Bean Went Global