http://www.pictonb.freeserve.co.uk/nudibranchs/hanunc.html
http://www.ugr.es/~lstocino/pagina_nueva_5.htm
http://www.medslugs.de/E/Med/Hancockia_uncinata/Selection.htm
http://www.seaslugforum.net/showall/hancunci
http://www.nudibranch.org/Scottish%20Nudibranchs/html/hancockia-uncinata-01.html
http://www.habitas.org.uk/marinelife/species.asp?item=W12620
http://www.nudipixel.net/species/hancockia_uncinata/
http://www.medslugs.de/E/Atl-E/Hancockia_uncinata/Selection.htm
http://hypselodoris.blogspot.pt/2011/09/hancockia-uncinata-hesse-1872.html
http://opistobranquis.info/en/guia/nudibranchia/dexiarchia/dendronotida/hancockia-uncinata/
http://www.medslugs.de/E/Atl-NE/Hancockia_uncinata/Selection.htm