R Reefmike Apr 8, 2007 #2 by the way it's only about 1/4" long and found on my Maxima near the top of the shell this morning.
G GraviT Premium Member Apr 8, 2007 #3 Judging by the shape and the fact you found it on your clam, I'm afraid it is likely a pyramidelid.
melev Club President Staff member Board of Directors Sponsor Apr 8, 2007 #4 Just keep looking for them and remove them. Now that you know what to look for, it isn't a big deal.