http://www.baue.org/images/galleries/v/FieldGuide/Opisthobranchs/Okenia_felis/ http://www.flickr.com/photos/mcduck/sets/72157615766323010/ http://www.medslugs.de/E/Pac-NE/Okenia_felis/Selection.htm http://slugsite.us/bow2007/nudwk710.htm