http://slugsite.us/bow/wirtz99/plate_2/wirtz_1l.htm
http://www.seaslugforum.net/showall/pleugarc
http://slugsite.us/bow/wirtz00/cvi_10a.htm
http://www.medslugs.de/E/Atl-SE/Pleurobranchus_reticulatus/Selection.htm
http://www.medslugs.de/E/Atl-E/Pleurobranchus_reticulatus/Selection.htm
http://opistobranquis.info/en/guia/pleurobranchomorpha/pleurobranchus-reticulatus