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:
Geomalacus maculosus jaw. Drawing of the jaw of Geomalacus maculosus from John William Taylor UK after Henry Haversham GodwinAusten Taylor archive org Monograph of the land and freshwater Mollusca of the British Isles Testacellidae Limacidae Arionidae Taylor Brothers Leeds page figure GodwinAusten Land and freshwater mollusca