Hey! I was just tidepooling off the Oregon Coast near Pacific City, and I found this really neat nudibranch:

http://s888.photobucket.com/albums/ac85/li...nt=IMG_5485.jpg

I have looked at other websites for an id, but I haven't found one as of yet. If you have any ideas, I'd love to hear them! Found it on a bryozoan. Thanks again!
Liliy

No idea, you may wanna search on id sites for coldwater species specific to your area, very cool find though!

Check here. You might want to search based on your location.

http://www.seaslugforum.net/

looks like this one:
http://www.seaslugforum.net/message/4894

Cadlina luteomarginata