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:
South African Geology Schwarz Fig . Mortoniceras stangeri Baily Hauericeras gardeni Baily Schlnbachia umbolazi Baily Scaphites sp Nautilus sp Gasteropoda Pseudomelania sutherlandi Baily Turritella bonei Baily Lamellibranchiata Trigonia elegans Baily Cardium denticulatum Baily Pecten quinquecostatus Sowerby Protocardia