Note: the original article identified the molluscan species but did not mention sinistrality.  Hodgkins et al. / Scientific Reports, 2021.  

On Tuesday, December 26, 2023 at 05:24:05 PM EST, Allen Aigen <[log in to unmask]> wrote:


Baby Buried With Care 10,000 Years Ago Found in Italian Cave | Smart News| Smithsonian Magazine


Note that the Columbella rustica beads pictured are 50% sinistral.  Is this common Mediterranean species often found with sinistral specimens, or was the collector choosing the odd shells because they are rare and therefore more valuable?

Allen Aigen
Staten Island, NY


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