This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Prenocephale prenes. cast of fossilized Prenocephale prenes skull view from front exhibited at the temporary Howard st location of the en California Academy of Sciences From display Prenocephale prenses skull Late Cretaceous Million years ago Gobi Dessert Mongolia American Museum of Natural History FR cast en Leonard en thumb