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:
On Vertebrata of the MidCretaceous of the North West Territory BHL. On Vertebrata of the MidCretaceous of the North West Territory Text Illustration biodiversitylibrary org title Geological Survey of Canada Lambe Lawrence Osborn Henry Fairfield NOTINCOPYRIGHT Biodiversity Heritage Library PDold On Vertebrata of the MidCretaceous