http://slugsite.us/bow/pacific/bc98_24.htm
http://slugsite.us/bow/nudwk172.htm
http://www.seaslugforum.net/showall/denddall
http://www.seaotter.com/marine/research/dendronotus/dalli/html/dalli.jpg.html
http://www.medslugs.de/E/Pac-NE/Dendronotus_dalli/Selection.htm