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:
Limacina helicina radula. Drawing radula of Limacina helicina Magnified Sars Bidrag til kundskaben om norges arktiske fauna Mollusca regonis arcticae Norwegiae Oversigt over de norges arktiske region forekommende blddyr Christiania Brgger University of Oslo archive org page Plate figure Background retouched Georg Ossian Sars