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 Interior and exterior views of the shell of Teredo showing terminology adopted.jpeg check categories September Interior and exterior views of the shell of Teredo showing terminology adopted Subject Teredo Tag Mollusks Cite book Report on the San Francisco Bay Marine Piling Survey San Francisco Bay Marine Piling Committee