http://www.seaslugforum.net/showall/chelsand
http://www.medslugs.de/E/Pac-W/Chelidonura_sandrana/Selection.htm
http://rfbolland.com/okislugs/chelsand.html
http://rfbolland.com/okislugs/chelsan2.html
http://www.Philippine-Sea-Slugs.com/Cephalaspidea/Chelidonura_sandrana.htm
http://www.koretz.net/Eilat/Invertebrates/Molluscs/Opistobranchs/Csandrana.htm
http://www.medslugs.de/E/Ind-NW/Chelidonura_sandrana/Selection.htm
http://www.medslugs.de/E/Pac-NW/Chelidonura_sandrana/Selection.htm
http://www.nudipixel.net/species/chelidonura_sandrana/
http://tahitinudi.jimdo.com/liste-des-espèces/chelidonura-cf-sandrana/
http://www.umiushi-zukan.com/eng/list_pic.php?ssw=g&kind_id=13
http://tahitinudi.jimdo.com/liste-des-espèces/chelidonura-sandrana/
http://www.medslugs.de/E/Ind-SW/Chelidonura_sandrana/Selection.htm