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Subject:
Sexual Dimorphism -Reply
From:
Paul Monfils <[log in to unmask]>
Reply To:
Conchologists of America List <[log in to unmask]>
Date:
Fri, 19 Mar 1999 16:00:43 -0500
Content-Type:
text/plain
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text/plain (10 lines) 
Hi Nora,
The ancestors of those extinct fellows have kept up the practice.
Sexual dimorphism is seen in the shells of Nautilus.  One sex (female
I think) has a wider, somewhat angular shell aperture, while the other
has a narrow, more straight-sided aperture.  There was a discussion of
this topic on Conch-L some months back.
Regards,
Paul M.
Rhode Island

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