Cyerce nigra  Bergh, 1871

http://www.seaslugforum.net/showall/cyernig2
http://www.nudibranch.com.au/pages/1859d.htm
http://www.nudipixel.net/species/cyerce_nigra/
http://sacoglossa.lifedesks.org/pages/34397
http://www.medslugs.de/E/Pac-W/Cyerce_nigra/Selection.htm
http://www.Philippine-Sea-Slugs.com/Sacoglossa/Cyerce_nigra.htm
http://slugsite.us/bow2007/nudwk920.htm