http://www.seaslugforum.net/showall/chelsp5
http://www.Philippine-Sea-Slugs.com/Cephalaspidea/Mariaglaja_alexisi.htm
http://www.medslugs.de/E/Pac-W/Mariaglaja_alexisi/Selection.htm
http://slugsite.us/bow2007/nudwk926.htm