Ross,

Here in Hawaii, I've seen Conus leopardus with worm tubes on its dorsum. It
was very much alive and had heavy pitting on it similar to a shell that had
been dead for months. The larger/older the shell, the more chance of worm
tubes being attached. I've seen them on imperialis and lividus as well but
definitely not very often. Hope this helps.

Best regards,

Mike Schenk