http://rfbolland.com/okislugs/dend_sp2.html
http://www.medslugs.de/E/Med/Dendrodoris_sp_01/Selection.htm
this website exists no more:
http://www.biology.ucsc.edu/classes/bio161l/NUDI/densppa.html
this website exists no more:
http://www.biology.ucsc.edu/classes/bio161l/NUDI/densppb.html
http://www.seaslugforum.net/showall/dendrod
http://www.seaslugforum.net/showall/dendsp3
http://www.opwall.com/opisthobranchs.htm
http://www.sea-slug.com/species/umiusi065.htm
http://www.sea-slug.com/species/umiusi226.htm
http://www.sea-slug.com/species/umiusi303.htm
http://www.sea-slug.com/species/umiusi314.htm
http://www.h.do-up.com/home/takayan/takapage359.htm
http://www.medslugs.de/E/Med/Dendrodoris_sp_02/Selection.htm
http://www.underwaterkwaj.com/nudi/porostomes/e362.htm
http://www.underwaterkwaj.com/nudi/porostomes/e407.htm
http://www.underwaterkwaj.com/nudi/hawaii/h149.htm
http://www.underwaterkwaj.com/nudi/hawaii/h257.htm
http://www.seaslugsofhawaii.com/species/Dendrodoris-sp1-a.html
http://www.seaslugsofhawaii.com/species/Dendrodoris-sp6-a.html
http://www.seaslugsofhawaii.com/species/Dendrodoris-sp7-a.html
http://www.daveharasti.com/nelsonbay/seaslugs/pagethree.htm
http://www.nuditahiti.com/liste-des-espèces/dendrodoris-sp-4/
http://slugsite.us/bow2007/nudwk951.htm
http://www.medslugs.de/E/Ind-SW/Dendrodoris_sp_03/Selection.htm
http://www.medslugs.de/E/Ind-NW/Dendrodoris_sp_04/Selection.htm
http://www.medslugs.de/E/Pac/Dendrodoris_sp_05/Selection.htm
http://www.medslugs.de/E/Ind-NW/Dendrodoris_sp_06/Selection.htm
http://www.medslugs.de/E/Pac-W/Dendrodoris_sp_07/Selection.htm