Allan,
Check out the following publication:
Orstan, Aydin. 1999. Drill Holes in land snail shells from western Turkey.
Schriften zur Malakolozoologie aus dem Haus der Natur – Cismar 13: 31-36.
> About one third of the shells of Sphincterochila fimbriata which I
> examined on a hillside above the Sea of Galilee just south of Tiberius,
> Israel had miniscule boreholes, ....What can bore such tiny holes, and why?
Regards,
Charlie
.................................................
Research Associate - Section of Mollusks
Carnegie Museum of Natural History
Pittsburgh, PA, USA
Assistant Professor - Family Medicine
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