Class Gastropoda Watch Gastropod videos on youtube.com Barnacle beast . Turning off the personalized advertising setting wont stop you from seeing Etsy ads or impact Etsy's own personalization technologies, but it may make the ads you see less relevant or more repetitive. Whelks, large marine snails, lay their eggs in long strings of coin-shaped capsules. Unfortunately, it doesnt take much time or effort for an animal to become threatened or endangered. Great! //