http://www.seaslugforum.net/showall/okenrhin
http://www.umiushi.info/photo_species/photo_splist_eng.php?sopt=0&loc=0000
http://www.medslugs.de/E/Pac-NW/Okenia_rhinorma/Selection.htm
http://www.nudibranch.com.au/pages1/5057f.htm
http://www.seaslugsofhawaii.com/species/Okenia-rhinorma-a.html
http://www.medslugs.de/E/Ind-NW/Okenia_rhinorma/Selection.htm
http://www.Philippine-Sea-Slugs.com/Nudibranchia/Euctenidiacea/Okenia_rhinorma.htm
http://slugsite.us/bow2007/nudwk737.htm
http://rfbolland.com/okislugs/okenrhin.html
http://www.umiushi-zukan.com/eng/list_pic.php?ssw=g&kind_id=772
http://www.medslugs.de/E/Pac-W/Okenia_rhinorma/Selection.htm