http://www.seaslugforum.net/showall/smarcaly
http://www.umiushi.info/photo_species/photo_splist_eng.php?sopt=0&loc=0000
http://www.medslugs.de/E/Pac-NW/Smaragdinella_calyculata/Selection.htm
http://www.underwaterkwaj.com/nudi/hawaii/hc11.htm
http://www.seaslugsofhawaii.com/species/Smaragdinella-calyculata-a.html
http://www.umiushi-zukan.com/eng/list_pic.php?kind_id=518
http://www6.ocn.ne.jp/~aquablue/Smaragdinella_calyculata.html
http://www.nuditahiti.com/liste-des-espèces/smaragdinella-calyculata/