http://www.medslugs.de/E/Med/Flabellina_cavolini/Selection.htm
http://www.marenostrum.org/opistobranquios/ccalvolinii/ccalvoli.htm
http://www.ugr.es/~lstocino/calmella_cavolini.htm
http://www.seaslugforum.net/showall/calmcavo
http://www.nudipixel.net/species/calmella_cavolini/
http://www.facebook.com/media/set/?set=o.374656695905614&type=1
https://opistobranquis.info/en/guia/nudibranchia/cladobranchia/fionoidea/flabellina-cavolini/
https://zookeys.pensoft.net/article/21885/zoom/fig/133/