http://www.seaslugforum.net/showall/flabbert
http://slugsite.us/bow/nudwk383.htm
http://slugsite.us/bow/bow38302.htm
http://www.inbio.ac.cr/papers/babosasmarinas/ingles/listadeesp.htm
http://www.medslugs.de/E/Pac-E/Flabellina_bertschi/Selection.htm
http://www.nudipixel.net/species/flabellina_bertschi/