News Main Animals Archaeology Dinosaurs Earth History Human Animal Space Tech   Journal of Vertebrate Paleontology/Natural History Museum |   Tiny Skull, Big Appetite This image shows a 2-inch heterodontosaur skull that weighs less than two sticks of butter. It is the second-smallest intact dinosaur ever found. | Video: Discovery Dinosaurs   « back to article

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Image Credits Journal of Vertebrate Paleontology/Natural History Museum |

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