http://slugsite.us/bow/phil/bilas.html
http://www.cybereef.com/opisthobranch_site/refpages/3001-06-10.htm
http://www.seaslugforum.net/showall/flabbila
http://servlet.percula.com/servlet/Taxonomy.ShowPic?picId=234&creatureId=101
http://www.medslugs.de/E/Pac-W/Samla_bilas/Selection.htm
http://www.edge-of-reef.com/opistobranchi/aeolidini/OPIFlabellinabilasen.htm
http://www.medslugs.de/E/Ind-E/Samla_bilas/Selection.htm
http://www.Philippine-Sea-Slugs.com/Nudibranchia/Dexiarchia/Samla_bilas.htm
http://www.medslugs.de/E/Ind-NW/Samla_bilas/Selection.htm
http://www.medslugs.de/E/Pac/Samla_bilas/Selection.htm
http://www.nudibranch.com.au/pages/6946b.htm
http://www.underwaterkwaj.com/nudi/eolids/e214.htm
http://www.scuba-equipment-usa.com/marine/OCT06/Ringed_Flabellina(Flabellina_bilas).html
http://www.nudibranch.org/Philippine Sea Slugs/html/nudibranchs/flabellina-bilas-01.html
http://www.nudipixel.net/species/flabellina_bilas/
http://www.nudibranch.org/Sulawesi Sea Slugs/html/sss-sea-slugs.html
http://www.umiushi-zukan.com/eng/list_pic.php?ssw=g&kind_id=1260