http://www.ne.jp/asahi/kappa-kuri/miyamoto/OSEHOO/umiushi23.html
http://www.vibrantsea.net/philinopsis17_anilao4.html
http://www.seaslugforum.net/showall/philinsp1
http://www.medslugs.de/E/Pac-W/Philinopsis_sp_01/Selection.htm
http://umiushi.zive.net/photo_species/photo_splist_eng.php?sopt=0&loc=0000
http://www.edge-of-reef.com/opistobranchi/opi/OPIPhilinopsisspen.htm
http://slugsite.us/bow/nudwk356.htm
http://www.Philippine-Sea-Slugs.com/Cephalaspidea/Philinopsis_sp_01.htm
http://slugsite.us/bow2007/nudwk605.htm
http://www.underwaterkwaj.com/nudi/cephalaspideans/e489.htm
http://www.underwaterkwaj.com/nudi/cephalaspideans/e516.htm
http://www.seaslugsofhawaii.com/species/Philinopsis-sp1-a.html
http://www.nudipixel.net/species/philinopsis_sp/
http://www.medslugs.de/E/Pac-W/Philinopsis_sp_03/Selection.htm
http://www.vibrantsea.net/philinopsis5524_anilao2017.htm