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:
Parmacellilla filipowitschi. Right side view Head in on the right de icon Simroth Kaukasische und asiatische Limaciden und Raublungenschnecken Ezhegodnik Zoologicheskogo Muzeya Imperatorskoi Akademii Nauk Annuaire du Muse Zoologique de l'Acadmie Impriale des Sciences de St Ptersbourg archive org page page archive org page archive