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 . Quart Jojrn Ceol Soc Vol XL PI XF StocWami rt th TRACKS AND MARKINGS IN MUD Pl XI Illustration biodiversitylibrary org Geological Society of London Biodiversity Heritage Library The Quarterly journal of the Geological Society of London Geology Periodicals Smithsonian