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http://www.enteractive.com/jmcousteau/jpegs/nudibranch.jpg
http://www.seaslugforum.net/showall/rethalg
http://www.vibrantsea.net/reticulidia17_anilao1.html
http://slugsite.us/bow/nudwk217.htm
http://www.webone.com.au/~diving/nudibranchs/musgrave/index.htm
http://slugsite.us/bow/ret_hal.htm
http://www.subaqua.ch/nu015e.htm
http://www.medslugs.de/E/Pac-W/Reticulidia_halgerda/Selection.htm
http://www.subaqua.ch/ind035.htm
http://www.unterwasserbilder.de/marin3/schne2/phi1024.htm
http://www.edge-of-reef.com/opistobranchi/doridini/OPIReticulidiahalgerdaen.htm
http://www.Philippine-Sea-Slugs.com/Nudibranchia/Euctenidiacea/Reticulidia_halgerda.htm
http://www.underwaterkwaj.com/nudi/porostomes/e274.htm
http://www.medslugs.de/E/Pac/Reticulidia_halgerda/Selection.htm
http://www.scuba-equipment-usa.com/marine/JAN05/Decorated_Halgerda(Reticulidia_halgerda).html
http://www.umiushi-zukan.com/eng/list_pic.php?ssw=g&kind_id=1212
http://www.medslugs.de/E/Ind-E/Reticulidia_halgerda/Selection.htm
http://www.vibrantsea.net/reticulidia3570_anilao2015.htm