http://www.habitas.org.uk/marinelife/species.asp?item=W12970
http://www.ntnu.no/~vmzotbak/nudibranchia/goniodoridae/goniodoris_nodosa.htm
http://www.nudibranch.org/Scottish%20Nudibranchs/goniodoris-nodosa.html
http://www.medslugs.de/E/Atl-NE/Goniodoris_nodosa/Selection.htm
http://www.seaslugforum.net/showall/goninodo
http://www.habitas.org.uk/marinelife/species.asp?item=W12970
http://www.seawater.no/fauna/Blotdyr/nodosa.htm
http://www.nudipixel.net/species/goniodoris_nodosa/
http://opistobranquis.info/en/guia/nudibranchia/euctenidiacea/doridacea/goniodoris-nodosa/