This tiny T. rex is actually a new species

Science Biology This tiny T. rex is actually a new species Nanotyrannus settles a big and'acrimonius' paleontology debate. Breakthroughs, discoveries, and DIY tips sent every weekday. For decades, paleontologists have argued about size. Specifically, whether or not certain fossils found in Montana belonged to a young or a completely separate, smaller species. Researchers at North Carolina State University and Ohio University now say they can settle the debate.