Costasiella formicaria (Baba, 1959) [Stiliger ]

http://www.seaslugforum.net/showall/costform
http://www.seaslugsofhawaii.com/species/Costasiella-formicaria-a.html
http://www.nudipixel.net/species/costasiella_formicaria/
http://sacoglossa.lifedesks.org/pages/34151
http://www.nudibranch.org/Sulawesi Sea Slugs/html/sss-sea-slugs.html
http://www.umiushi-zukan.com/eng/list_pic.php?ssw=g&kind_id=530
http://www.medslugs.de/E/Pac-NW/Costasiella_formicaria/Selection.htm