http://www.medslugs.de/E/Ind-NW/Marionia_viridescens.htm
http://www.vibrantsea.net/marionia10_anilao14.htm
http://www.Philippine-Sea-Slugs.com/NUDIBRANCHIA/DEXIARCHIA/Marionia_viridescens.htm
http://www.koretz.net/Eilat/Invertebrates/Molluscs/Nudibranchs/Mviridescens.htm
http://www.nudipixel.net/species/marioniopsis_viridescens/