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:
The Quarterly journal of the Geological Society of London . CHELONIA AND TOOTH OF ORNITHOPSIS the shell of Chelonian from the Wealden preserved in the Natural History Museum which indicates species of the genus Plesiochelys so nearly allied to sanctceverence Eiitimeyer of the Kimeridgian of Switzerland that we were provisionally