Bosellia sp.  Genus: Trinchese, 1891

http://www.seaslugforum.net/showall/bosesp1
http://rfbolland.com/okislugs/bose_sp1.html
http://www.seaslugsofhawaii.com/species/Bosellia-sp1-a.html
http://www.umiushi-zukan.com/eng/list_pic.php?ssw=g&kind_id=60