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:
FMIB Stringocephalus Burtini Devonian.jpeg check categories September Stringocephalus Burtini Devonian Interior or dorsal valve Side view of interior of shell Subject Stringocephalidae Tag Mollusks Cite book Molluscs Brachiopods Recent Brachiopods Fossil Cooke Shipley Reed London England Macmillan and Co Cambridge Natural History