dinosaur fossil costume

An argument over whether fossils from several small dinosaurs represent a juvenile Tyrannosaurus rex or smaller adults of a separate species may finally be settled. Researchers have counted 16,600 fossilized dinosaur footprints and 1,378 swim tracks at a site in Bolivia that showcase a variety of behaviors and different theropods from the Cretaceous period. From a teenage tyrannosaur's last meal to a fossilized voice box and a cliff covered in footprints, here are the 10 best dinosaur fossils unearthed this year. CBS News: "Punk rocker" dinosaur was covered in long spikes and armor, newly discovered fossils show "Punk rocker" dinosaur was covered in long spikes and armor, newly discovered fossils show

A specimen discovered in Mongolia is the most complete fossil yet found of a pachycephalosaur, a dinosaur believed to be built for head-butting. The skull of Zavacephale rinpoche, a pachycephalosaur ... A fossil of Manipulonyx reshetovi, found in a Mongolian desert, shows how the dinosaur used its specialized claw to snatch eggs. By Jack Tamisiea Under the cover of darkness 67 million years ago, a ... At a remote and barren Sahara desert site in Niger, scientists have unearthed fossils of a new species of Spinosaurus, among the biggest of the meat-eating dinosaurs, notable for its large ...