Tyrannosaurids Theropods Tyrannosaurus rex Species Complex Tyrannosaurus rex Common Names Saurópodos Taxonomy Cariamiformes Fossil Evidence Extinct Species Tyrannosauroids Giraffe Subspecies Hummingbirds Plesionectes longicollum Corvidae Tyrannosaur Diversity Centrosaurinae Ornithischians Ca. Electrothrix yaqonensis Tyrannosaurus rex Complex T.rex and relatives Terrestrisuchus Tyrannosaur Evolution Dinosauria Homo Genus Nanotyrannus lethaeus Bird Evolution Morphological Adaptations Felidae Evolution Plesiosauria Ornithischian Dinosaurs Megaraptors Carcharodontosaurus Xenoparity Nautiloids Darwinopterans
A peer-reviewed analysis of scans and bone histology identifies a mature, highly specialized ornithopod whose provisional placement challenges existing views of plant‑eating dinosaur relationships.
