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Oyster drill (Urosalpinx cinirea). Drawn from shell.
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Oyster drill (Urosalpinx cinerea) boring the shell of a scallop. Five drills were found on the specimen, but one rolled off when the photograph was taken. The drill bores a fine hole through the shell by means of a ribbon-like tongue lined with saw-like teeth, and then sucks out the contents.
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Oyster drill (Urosalpinx cinerea) boring the shell of a scallop. Five drills were found on the specimen, but one rolled off when the photograph was taken. The drill bores a fine hole through the shell by means of a ribbon-like tongue lined with saw-like t.