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:
Relics of primeval life Page BHL. Relics of primeval life by Sir William Dawson With sixtyfive illustrations Page Text Illustration biodiversitylibrary org title Dawson John William NOTINCOPYRIGHT Biodiversity Heritage Library Check categories November PDold Relics of primeval life Images uploaded by Files from the Biodiversity