http://www.seaslugforum.net/showall/phylmona http://www.koretz.net/Eilat/Invertebrates/Molluscs/Nudibranchs/Phyllsp2.htm http://www.medslugs.de/E/Ind-NW/Phyllidiopsis_monacha/Selection.htm http://www.nudipixel.net/species/phyllidia_monacha/