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Dueling Dinosaurs Locomotor Strategies Specimen Preservation Dietary Adaptations CT Scanning Skeletons Scanning Electron Microscopy Fossil Discoveries in Morocco Cambrian Fossils Mongolian Fossils Dinosaur Morphology Trackways Cretaceous Dinosaurs Isotope Analysis Hell Creek Formation Tyrannosaurus rex Juveniles Hyoid Bone Hadrosaur Fossils X-Ray Imaging Specimen Interpretation
By reading growth rings in a throat bone, researchers show the holotype had stopped growing, resolving a decades-long identification question.