title for learn-about section on whelks & relatives in A SNAIL'S ODYSSEY
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photograph of whelks Nucella lamellosa from False Bay, San Juan Islands, Washington taken by Trevor Kinkaid, Department of Zoology, University of Washington2.  False Bay, San Juan Island  This population of whelks Nucella lamellosa hasstriking uniformity of size, structure, and coloration (pale brown).  Note the prominent dentiform (tooth-like) tubercles on the inner border of the lip in the 2 specimens flipped over.  This area of the shell is strongly tinged with purplish brown.

 

 

 

 

 

 


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