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Shell of the Week: The Disk Dosinia

  • Writer: José H. Leal
    José H. Leal
  • May 29, 2020
  • 1 min read

Last week, we examined the Elegant Dosinia, Dosinia concentrica. Today I want to introduce its closest relative, Dosinia discus (Reeve, 1850). The two species have shells that are very similar in size (about 2.75–3 inches), in their circular shape, and white color, but the Disk Dosinia differs from its “sister species,” above all, by having twice as many commarginal (“concentric”) ridges, about 16–20 per centimeter (40–48 per inch).


The Disk Dosinia, Dosinia discus, from Sanibel. Photos by José H. Leal.
 
 
 

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Alena Walker
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27 de mar.

I find it fascinating how each shell has its unique story and characteristics. The Disk Dosinia in particular is a beautiful example of nature’s diversity. I’ve always enjoyed learning about the different species and how they adapt to their environments. In a way it’s like how students adapt to the demands of various academic assignments such as marketing assignment service. Both require a balance of creativity and precision to succeed. This shell reminds me of the importance of being precise and methodical whether in nature or in academic writing.

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