http://www.medslugs.de/E/Ind/Phyllidia_alyta/Selection.htm
http://www.seaslugforum.net/showall/phylalyt
http://privat.schlund.de/r/ranja/ind0014.htm
http://www.medslugs.de/E/Ind-E/Phyllidia_alyta/Selection.htm
http://www.medslugs.de/E/Ind-SW/Phyllidia_alyta/Selection.htm
http://www.nembro.info/uk_phyllidia_alyta.html
http://seaslugs.free.fr/nudibranche/a_pdia_alyta.htm
http://www.nudipixel.net/species/phyllidia_alyta/
http://www.umiushi-zukan.com/eng/list_pic.php?ssw=g&kind_id=1271