Whelk egg casings

Went to the beach Saturday and didn't see any live whelk, but saw the egg casings....they are about 18 inches long....I read that each little circular pouch can hold up to 90 eggs, and there can be about 140 of those circular pouches.....interesting...

http://farm8.staticflickr.com/7395/9...acb39be9_b.jpg
Whelk Eggs by 123smile4me, on Flickr

http://farm3.staticflickr.com/2829/9...6624776a_b.jpg
Whelk Eggs by 123smile4me, on Flickr

Interesting. Thanks for sharing Nat. :)

Nat,
I didn't realize this weird animal exists.
Thanks for sharing.
Antonio.