Conch-Lers,

Seeing Paul Kanner's query about his mystery shell made me realize I might
be able to solve a mystery with the help of the folks on Conch-L.  I have
some small nerites that are coated with a coralline encrustation.  Of
course, putting that title on it does not mean I know what it is.  Is it a
natural encrustation like a buildup of lime or is it caused by an animal
like a bryozoan?  Big mystery.  I have seen it on three or four freshwater
nerite species.  Thanks to the generosity of Bill Frank and the Jacksonville
Shell Club Web Page you can see one of my shells at:
http://www.jaxshells.org/tome.htm

If anyone has any ideas of what this is, I would love to hear from you.
Thanks,

Tom

Thomas E. Eichhorst
4528 Quartz Dr. N.E.
Rio Rancho, NM  87124-4908
USA
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