DEAGOSTINI / UIG / SCIENCE PHOTO LIBRARY DEAGOSTINI / UIG / SCIENCE PHOTO LIBRARY
Maiasauras killed by volcanic eruption. Computer illustration of Maiasaura sp. dinosaurs that have been killed by a volcanic eruption. These herbivorous ornithopod hadrosaurs (duck-billed dinosaur) lived around 76.7 million years ago, during the Late Cretaceous period, in what is now Montana, USA.
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