https://academic.oup.com/view-large/figure/98473244/eyx027f02.tif
http://www.underwaterkwaj.com/nudi/hawaii/h191.htm
http://www.geocities.co.jp/NatureLand/3709/054702M.htm
http://suityu-sukima.sakura.ne.jp/miho/yamatominoumiusi-miho.html
http://www.nuditahiti.com/liste-des-espèces/berghia-japonica/
http://www.medslugs.de/E/Pac-NW/Bulbaeolidia_japonica/Selection.htm