I found a reference for the scientific name of the oyster drill.  It is Urosalpinx.  Jack Donner  [log in to unmask]

>From: Kay Peterson <[log in to unmask]>
>Reply-To: Conchologists of America List <[log in to unmask]>
>To: [log in to unmask]
>Subject: Re: Exciting boring snails
>Date: Sat, 7 Jun 2003 09:13:19 EDT
>
>Very interesting. Thanks.
>
>Judging from the myriads of drilling pock-marks of the little oyster drills
>on the thick oysters, they're not too particular about where they drill! Their
>success rate doesn't seem very high, either. I have to empathise, as I have
>tried to open oysters, too.
>
>Kay Grumbles Peterson


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