http://www.seaslugforum.net/showall/pleuhill
http://researchdata.museum.vic.gov.au/marine/nudi_gallery/previews5/cat_popup5-5.htm
http://www.scuba-equipment-usa.com/marine/OCT04/Hills_Pleurobranchus(Pleurobranchus_hilli).html
http://www.nudipixel.net/species/pleurobranchus_hilli/
http://www.dragonmouse.com.au/diving/nudibase.php?action=nudidetail&id=193
http://www.medslugs.de/E/Pac-SW/Pleurobranchus_hilli/Selection.htm