https://marinespecies.org/turbellarians/aphia.php?p=taxdetails&id=878987
Turbellarians - Polycelis borelli Vandel, 1921
turbellarianspolycelisborellivandel
https://www.sumie-dh.cz/polycelis_tenuis_drawing/
Polycelis tenuis drawing
http://www.sumie-dh.cz/images/gallery/plost-kresl-full2.jpg
polycelistenuisdrawing