http://www.seaslugforum.net/showall/hallhile
http://online.divers.ne.jp/ono/seaslug5/room5-8.html
http://rfbolland.com/okislugs/hallhile.html
http://www.vibrantsea.net/hallaxa8_anilao17.htm
http://www.Philippine-Sea-Slugs.com/Nudibranchia/Euctenidiacea/Hallaxa_hileenae.htm
http://www.nudipixel.net/species/hallaxa_hileenae/
http://www.umiushi-zukan.com/eng/list_pic.php?ssw=g&kind_id=220
http://www.medslugs.de/E/Pac-W/Hallaxa_hileenae/Selection.htm