https://zookeys.pensoft.net/article/21885/zoom/fig/136/
http://www.pictonb.freeserve.co.uk/nudibranchs/flapel.html
http://www.gla.ac.uk/~gbza62/flab1.html
http://www.asterisk.no/~emil/nudibranchia/flabellina_pellucida.htm
http://www.bio.bris.ac.uk/teaching/units/b11000/nudi10.htm
http://www.nudibranch.org/Scottish%20Nudibranchs/flabellina-pellucida.html
http://www.ntnu.no/~vmzotbak/nudibranchia/flabellinidae/coryphella_pellucida.htm
http://www.seaslugforum.net/showall/flabpell
http://www.habitas.org.uk/marinelife/species.asp?item=W14610
http://www.seawater.no/fauna/Blotdyr/pellucida.htm
http://www.nudipixel.net/species/flabellina_pellucida/
http://www.medslugs.de/E/Atl-NE/Carronella_pellucida/Selection.htm
http://www.medslugs.de/E/Atl-NW/Carronella_pellucida/Selection.htm