http://www.sea-slug.com/species/umiusi042.htm
http://www.seaslugforum.net/showall/dermstri
http://www.umiushi.info/photo_species/photo_splist_eng.php?sopt=0&loc=0000
http://www.h.do-up.com/home/takayan/takapage83.htm
http://www.medslugs.de/E/Pac-NW/Dermatobranchus_striatellus/Selection.htm