Hexaplex trunculus eggs ?

[BubikolRamios]

I randomly googled here: http://medi-sea.blogspot.com/search/labe...gs%20photo

Scroll to approx center of page, where there is a pic , which is at least approx. the same as this:
http://agrozoo.net/jsp/Galery_one_image....cbdcf9253f --> north adriatic sea.